diff --git a/web/gui2-topo-lib/BUILD.bazel b/web/gui2-topo-lib/BUILD.bazel
index 82052f6..d104636 100644
--- a/web/gui2-topo-lib/BUILD.bazel
+++ b/web/gui2-topo-lib/BUILD.bazel
@@ -45,7 +45,6 @@
         # TODO re-enable this test
         exclude = [
             "lib/layer/backgroundsvg/backgroundsvg.component.spec.ts",
-            "lib/layer/forcesvg/forcesvg.component.spec.ts",
             "lib/layer/forcesvg/visuals/hostnodesvg/hostnodesvg.component.spec.ts",
         ],
     ),
@@ -147,6 +146,9 @@
              && echo '});' >> $@""",
 )
 
+# These tests are not run as part of CI because they require a browser to be installed
+# Run them locally on your system if you are making a change to any of the TypeScript files
+# bazel test //web/gui2-topo-lib:test-not-coverage
 karma_web_test(
     name = "test-not-coverage",  # coverage is to avoid being picked up by 'ot' alias
     srcs = [
@@ -156,7 +158,7 @@
         "@npm//:node_modules/zone.js/dist/zone-testing-bundle.js",
         "@npm//:node_modules/reflect-metadata/Reflect.js",
     ],
-    config_file = "//web/gui2/src/main/webapp:karma.conf.js",
+    config_file = "//web/gui2/src/main/webapp:karma.conf.js",  # Edit this file to set the Browsers needed
     tags = ["native"],
     runtime_deps = [
         "//web/gui2/src/main/webapp:initialize_testbed",
diff --git a/web/gui2-topo-lib/lib/layer/forcesvg/forcesvg.component.spec.ts b/web/gui2-topo-lib/lib/layer/forcesvg/forcesvg.component.spec.ts
index ba9c996..5ebc0d6 100644
--- a/web/gui2-topo-lib/lib/layer/forcesvg/forcesvg.component.spec.ts
+++ b/web/gui2-topo-lib/lib/layer/forcesvg/forcesvg.component.spec.ts
@@ -35,6 +35,1799 @@
 import {TopologyService} from '../../topology.service';
 import {BadgeSvgComponent} from './visuals/badgesvg/badgesvg.component';
 
+export const test_module_topo2CurrentRegion = `{
+  "event": "topo2CurrentRegion",
+  "payload": {
+    "id": "(root)",
+    "subregions": [],
+    "links": [
+      {
+        "id": "00:AA:00:00:00:03/None~of:0000000000000205/6",
+        "epA": "00:AA:00:00:00:03/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "00:AA:00:00:00:03/None~of:0000000000000205/6",
+            "epA": "00:AA:00:00:00:03/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000205/3~of:0000000000000227/5",
+        "epA": "of:0000000000000205/3",
+        "epB": "of:0000000000000227/5",
+        "type": "UiDeviceLink",
+        "portA": "3",
+        "portB": "5",
+        "rollup": [
+          {
+            "id": "of:0000000000000205/3~of:0000000000000227/5",
+            "epA": "of:0000000000000205/3",
+            "epB": "of:0000000000000227/5",
+            "type": "UiDeviceLink",
+            "portA": "3",
+            "portB": "5"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000206/2~of:0000000000000226/8",
+        "epA": "of:0000000000000206/2",
+        "epB": "of:0000000000000226/8",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "8",
+        "rollup": [
+          {
+            "id": "of:0000000000000206/2~of:0000000000000226/8",
+            "epA": "of:0000000000000206/2",
+            "epB": "of:0000000000000226/8",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "8"
+          }
+        ]
+      },
+      {
+        "id": "00:BB:00:00:00:05/None~of:0000000000000203/7",
+        "epA": "00:BB:00:00:00:05/None",
+        "epB": "of:0000000000000203",
+        "type": "UiEdgeLink",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "00:BB:00:00:00:05/None~of:0000000000000203/7",
+            "epA": "00:BB:00:00:00:05/None",
+            "epB": "of:0000000000000203",
+            "type": "UiEdgeLink",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "00:DD:00:00:00:01/None~of:0000000000000207/3",
+        "epA": "00:DD:00:00:00:01/None",
+        "epB": "of:0000000000000207",
+        "type": "UiEdgeLink",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "00:DD:00:00:00:01/None~of:0000000000000207/3",
+            "epA": "00:DD:00:00:00:01/None",
+            "epB": "of:0000000000000207",
+            "type": "UiEdgeLink",
+            "portB": "3"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000203/1~of:0000000000000226/1",
+        "epA": "of:0000000000000203/1",
+        "epB": "of:0000000000000226/1",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "1",
+        "rollup": [
+          {
+            "id": "of:0000000000000203/1~of:0000000000000226/1",
+            "epA": "of:0000000000000203/1",
+            "epB": "of:0000000000000226/1",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "1"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000207/2~of:0000000000000247/1",
+        "epA": "of:0000000000000207/2",
+        "epB": "of:0000000000000247/1",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "1",
+        "rollup": [
+          {
+            "id": "of:0000000000000207/2~of:0000000000000247/1",
+            "epA": "of:0000000000000207/2",
+            "epB": "of:0000000000000247/1",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "1"
+          }
+        ]
+      },
+      {
+        "id": "00:99:66:00:00:01/None~of:0000000000000205/10",
+        "epA": "00:99:66:00:00:01/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "10",
+        "rollup": [
+          {
+            "id": "00:99:66:00:00:01/None~of:0000000000000205/10",
+            "epA": "00:99:66:00:00:01/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "10"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000208/1~of:0000000000000246/2",
+        "epA": "of:0000000000000208/1",
+        "epB": "of:0000000000000246/2",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "2",
+        "rollup": [
+          {
+            "id": "of:0000000000000208/1~of:0000000000000246/2",
+            "epA": "of:0000000000000208/1",
+            "epB": "of:0000000000000246/2",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "2"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000206/1~of:0000000000000226/7",
+        "epA": "of:0000000000000206/1",
+        "epB": "of:0000000000000226/7",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "of:0000000000000206/1~of:0000000000000226/7",
+            "epA": "of:0000000000000206/1",
+            "epB": "of:0000000000000226/7",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000226/9~of:0000000000000246/3",
+        "epA": "of:0000000000000226/9",
+        "epB": "of:0000000000000246/3",
+        "type": "UiDeviceLink",
+        "portA": "9",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "of:0000000000000226/9~of:0000000000000246/3",
+            "epA": "of:0000000000000226/9",
+            "epB": "of:0000000000000246/3",
+            "type": "UiDeviceLink",
+            "portA": "9",
+            "portB": "3"
+          }
+        ]
+      },
+      {
+        "id": "00:AA:00:00:00:04/None~of:0000000000000205/7",
+        "epA": "00:AA:00:00:00:04/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "00:AA:00:00:00:04/None~of:0000000000000205/7",
+            "epA": "00:AA:00:00:00:04/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "00:88:00:00:00:03/110~of:0000000000000205/11",
+        "epA": "00:88:00:00:00:03/110",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "11",
+        "rollup": [
+          {
+            "id": "00:88:00:00:00:03/110~of:0000000000000205/11",
+            "epA": "00:88:00:00:00:03/110",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "11"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000204/1~of:0000000000000226/3",
+        "epA": "of:0000000000000204/1",
+        "epB": "of:0000000000000226/3",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "of:0000000000000204/1~of:0000000000000226/3",
+            "epA": "of:0000000000000204/1",
+            "epB": "of:0000000000000226/3",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "3"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000203/2~of:0000000000000226/2",
+        "epA": "of:0000000000000203/2",
+        "epB": "of:0000000000000226/2",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "2",
+        "rollup": [
+          {
+            "id": "of:0000000000000203/2~of:0000000000000226/2",
+            "epA": "of:0000000000000203/2",
+            "epB": "of:0000000000000226/2",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "2"
+          }
+        ]
+      },
+      {
+        "id": "00:88:00:00:00:01/None~of:0000000000000205/12",
+        "epA": "00:88:00:00:00:01/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "12",
+        "rollup": [
+          {
+            "id": "00:88:00:00:00:01/None~of:0000000000000205/12",
+            "epA": "00:88:00:00:00:01/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "12"
+          }
+        ]
+      },
+      {
+        "id": "00:88:00:00:00:04/160~of:0000000000000206/6",
+        "epA": "00:88:00:00:00:04/160",
+        "epB": "of:0000000000000206",
+        "type": "UiEdgeLink",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "00:88:00:00:00:04/160~of:0000000000000206/6",
+            "epA": "00:88:00:00:00:04/160",
+            "epB": "of:0000000000000206",
+            "type": "UiEdgeLink",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "00:DD:00:00:00:02/None~of:0000000000000208/3",
+        "epA": "00:DD:00:00:00:02/None",
+        "epB": "of:0000000000000208",
+        "type": "UiEdgeLink",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "00:DD:00:00:00:02/None~of:0000000000000208/3",
+            "epA": "00:DD:00:00:00:02/None",
+            "epB": "of:0000000000000208",
+            "type": "UiEdgeLink",
+            "portB": "3"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000203/3~of:0000000000000227/1",
+        "epA": "of:0000000000000203/3",
+        "epB": "of:0000000000000227/1",
+        "type": "UiDeviceLink",
+        "portA": "3",
+        "portB": "1",
+        "rollup": [
+          {
+            "id": "of:0000000000000203/3~of:0000000000000227/1",
+            "epA": "of:0000000000000203/3",
+            "epB": "of:0000000000000227/1",
+            "type": "UiDeviceLink",
+            "portA": "3",
+            "portB": "1"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000208/2~of:0000000000000247/2",
+        "epA": "of:0000000000000208/2",
+        "epB": "of:0000000000000247/2",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "2",
+        "rollup": [
+          {
+            "id": "of:0000000000000208/2~of:0000000000000247/2",
+            "epA": "of:0000000000000208/2",
+            "epB": "of:0000000000000247/2",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "2"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000205/1~of:0000000000000226/5",
+        "epA": "of:0000000000000205/1",
+        "epB": "of:0000000000000226/5",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "5",
+        "rollup": [
+          {
+            "id": "of:0000000000000205/1~of:0000000000000226/5",
+            "epA": "of:0000000000000205/1",
+            "epB": "of:0000000000000226/5",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "5"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000204/2~of:0000000000000226/4",
+        "epA": "of:0000000000000204/2",
+        "epB": "of:0000000000000226/4",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "4",
+        "rollup": [
+          {
+            "id": "of:0000000000000204/2~of:0000000000000226/4",
+            "epA": "of:0000000000000204/2",
+            "epB": "of:0000000000000226/4",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "4"
+          }
+        ]
+      },
+      {
+        "id": "00:AA:00:00:00:01/None~of:0000000000000204/6",
+        "epA": "00:AA:00:00:00:01/None",
+        "epB": "of:0000000000000204",
+        "type": "UiEdgeLink",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "00:AA:00:00:00:01/None~of:0000000000000204/6",
+            "epA": "00:AA:00:00:00:01/None",
+            "epB": "of:0000000000000204",
+            "type": "UiEdgeLink",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "00:BB:00:00:00:03/None~of:0000000000000205/8",
+        "epA": "00:BB:00:00:00:03/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "8",
+        "rollup": [
+          {
+            "id": "00:BB:00:00:00:03/None~of:0000000000000205/8",
+            "epA": "00:BB:00:00:00:03/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "8"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000206/4~of:0000000000000227/8",
+        "epA": "of:0000000000000206/4",
+        "epB": "of:0000000000000227/8",
+        "type": "UiDeviceLink",
+        "portA": "4",
+        "portB": "8",
+        "rollup": [
+          {
+            "id": "of:0000000000000206/4~of:0000000000000227/8",
+            "epA": "of:0000000000000206/4",
+            "epB": "of:0000000000000227/8",
+            "type": "UiDeviceLink",
+            "portA": "4",
+            "portB": "8"
+          }
+        ]
+      },
+      {
+        "id": "00:AA:00:00:00:05/None~of:0000000000000203/6",
+        "epA": "00:AA:00:00:00:05/None",
+        "epB": "of:0000000000000203",
+        "type": "UiEdgeLink",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "00:AA:00:00:00:05/None~of:0000000000000203/6",
+            "epA": "00:AA:00:00:00:05/None",
+            "epB": "of:0000000000000203",
+            "type": "UiEdgeLink",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000205/5~of:0000000000000206/5",
+        "epA": "of:0000000000000205/5",
+        "epB": "of:0000000000000206/5",
+        "type": "UiDeviceLink",
+        "portA": "5",
+        "portB": "5",
+        "rollup": [
+          {
+            "id": "of:0000000000000205/5~of:0000000000000206/5",
+            "epA": "of:0000000000000205/5",
+            "epB": "of:0000000000000206/5",
+            "type": "UiDeviceLink",
+            "portA": "5",
+            "portB": "5"
+          }
+        ]
+      },
+      {
+        "id": "00:BB:00:00:00:02/None~of:0000000000000204/9",
+        "epA": "00:BB:00:00:00:02/None",
+        "epB": "of:0000000000000204",
+        "type": "UiEdgeLink",
+        "portB": "9",
+        "rollup": [
+          {
+            "id": "00:BB:00:00:00:02/None~of:0000000000000204/9",
+            "epA": "00:BB:00:00:00:02/None",
+            "epB": "of:0000000000000204",
+            "type": "UiEdgeLink",
+            "portB": "9"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000204/3~of:0000000000000227/3",
+        "epA": "of:0000000000000204/3",
+        "epB": "of:0000000000000227/3",
+        "type": "UiDeviceLink",
+        "portA": "3",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "of:0000000000000204/3~of:0000000000000227/3",
+            "epA": "of:0000000000000204/3",
+            "epB": "of:0000000000000227/3",
+            "type": "UiDeviceLink",
+            "portA": "3",
+            "portB": "3"
+          }
+        ]
+      },
+      {
+        "id": "00:EE:00:00:00:01/None~of:0000000000000207/4",
+        "epA": "00:EE:00:00:00:01/None",
+        "epB": "of:0000000000000207",
+        "type": "UiEdgeLink",
+        "portB": "4",
+        "rollup": [
+          {
+            "id": "00:EE:00:00:00:01/None~of:0000000000000207/4",
+            "epA": "00:EE:00:00:00:01/None",
+            "epB": "of:0000000000000207",
+            "type": "UiEdgeLink",
+            "portB": "4"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000203/4~of:0000000000000227/2",
+        "epA": "of:0000000000000203/4",
+        "epB": "of:0000000000000227/2",
+        "type": "UiDeviceLink",
+        "portA": "4",
+        "portB": "2",
+        "rollup": [
+          {
+            "id": "of:0000000000000203/4~of:0000000000000227/2",
+            "epA": "of:0000000000000203/4",
+            "epB": "of:0000000000000227/2",
+            "type": "UiDeviceLink",
+            "portA": "4",
+            "portB": "2"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000205/2~of:0000000000000226/6",
+        "epA": "of:0000000000000205/2",
+        "epB": "of:0000000000000226/6",
+        "type": "UiDeviceLink",
+        "portA": "2",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "of:0000000000000205/2~of:0000000000000226/6",
+            "epA": "of:0000000000000205/2",
+            "epB": "of:0000000000000226/6",
+            "type": "UiDeviceLink",
+            "portA": "2",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "00:99:00:00:00:01/None~of:0000000000000205/10",
+        "epA": "00:99:00:00:00:01/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "10",
+        "rollup": [
+          {
+            "id": "00:99:00:00:00:01/None~of:0000000000000205/10",
+            "epA": "00:99:00:00:00:01/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "10"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000205/4~of:0000000000000227/6",
+        "epA": "of:0000000000000205/4",
+        "epB": "of:0000000000000227/6",
+        "type": "UiDeviceLink",
+        "portA": "4",
+        "portB": "6",
+        "rollup": [
+          {
+            "id": "of:0000000000000205/4~of:0000000000000227/6",
+            "epA": "of:0000000000000205/4",
+            "epB": "of:0000000000000227/6",
+            "type": "UiDeviceLink",
+            "portA": "4",
+            "portB": "6"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000206/3~of:0000000000000227/7",
+        "epA": "of:0000000000000206/3",
+        "epB": "of:0000000000000227/7",
+        "type": "UiDeviceLink",
+        "portA": "3",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "of:0000000000000206/3~of:0000000000000227/7",
+            "epA": "of:0000000000000206/3",
+            "epB": "of:0000000000000227/7",
+            "type": "UiDeviceLink",
+            "portA": "3",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "00:BB:00:00:00:04/None~of:0000000000000205/9",
+        "epA": "00:BB:00:00:00:04/None",
+        "epB": "of:0000000000000205",
+        "type": "UiEdgeLink",
+        "portB": "9",
+        "rollup": [
+          {
+            "id": "00:BB:00:00:00:04/None~of:0000000000000205/9",
+            "epA": "00:BB:00:00:00:04/None",
+            "epB": "of:0000000000000205",
+            "type": "UiEdgeLink",
+            "portB": "9"
+          }
+        ]
+      },
+      {
+        "id": "00:AA:00:00:00:02/None~of:0000000000000204/7",
+        "epA": "00:AA:00:00:00:02/None",
+        "epB": "of:0000000000000204",
+        "type": "UiEdgeLink",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "00:AA:00:00:00:02/None~of:0000000000000204/7",
+            "epA": "00:AA:00:00:00:02/None",
+            "epB": "of:0000000000000204",
+            "type": "UiEdgeLink",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "00:BB:00:00:00:01/None~of:0000000000000204/8",
+        "epA": "00:BB:00:00:00:01/None",
+        "epB": "of:0000000000000204",
+        "type": "UiEdgeLink",
+        "portB": "8",
+        "rollup": [
+          {
+            "id": "00:BB:00:00:00:01/None~of:0000000000000204/8",
+            "epA": "00:BB:00:00:00:01/None",
+            "epB": "of:0000000000000204",
+            "type": "UiEdgeLink",
+            "portB": "8"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000207/1~of:0000000000000246/1",
+        "epA": "of:0000000000000207/1",
+        "epB": "of:0000000000000246/1",
+        "type": "UiDeviceLink",
+        "portA": "1",
+        "portB": "1",
+        "rollup": [
+          {
+            "id": "of:0000000000000207/1~of:0000000000000246/1",
+            "epA": "of:0000000000000207/1",
+            "epB": "of:0000000000000246/1",
+            "type": "UiDeviceLink",
+            "portA": "1",
+            "portB": "1"
+          }
+        ]
+      },
+      {
+        "id": "00:88:00:00:00:02/None~of:0000000000000206/7",
+        "epA": "00:88:00:00:00:02/None",
+        "epB": "of:0000000000000206",
+        "type": "UiEdgeLink",
+        "portB": "7",
+        "rollup": [
+          {
+            "id": "00:88:00:00:00:02/None~of:0000000000000206/7",
+            "epA": "00:88:00:00:00:02/None",
+            "epB": "of:0000000000000206",
+            "type": "UiEdgeLink",
+            "portB": "7"
+          }
+        ]
+      },
+      {
+        "id": "00:EE:00:00:00:02/None~of:0000000000000208/4",
+        "epA": "00:EE:00:00:00:02/None",
+        "epB": "of:0000000000000208",
+        "type": "UiEdgeLink",
+        "portB": "4",
+        "rollup": [
+          {
+            "id": "00:EE:00:00:00:02/None~of:0000000000000208/4",
+            "epA": "00:EE:00:00:00:02/None",
+            "epB": "of:0000000000000208",
+            "type": "UiEdgeLink",
+            "portB": "4"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000204/4~of:0000000000000227/4",
+        "epA": "of:0000000000000204/4",
+        "epB": "of:0000000000000227/4",
+        "type": "UiDeviceLink",
+        "portA": "4",
+        "portB": "4",
+        "rollup": [
+          {
+            "id": "of:0000000000000204/4~of:0000000000000227/4",
+            "epA": "of:0000000000000204/4",
+            "epB": "of:0000000000000227/4",
+            "type": "UiDeviceLink",
+            "portA": "4",
+            "portB": "4"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000203/5~of:0000000000000204/5",
+        "epA": "of:0000000000000203/5",
+        "epB": "of:0000000000000204/5",
+        "type": "UiDeviceLink",
+        "portA": "5",
+        "portB": "5",
+        "rollup": [
+          {
+            "id": "of:0000000000000203/5~of:0000000000000204/5",
+            "epA": "of:0000000000000203/5",
+            "epB": "of:0000000000000204/5",
+            "type": "UiDeviceLink",
+            "portA": "5",
+            "portB": "5"
+          }
+        ]
+      },
+      {
+        "id": "of:0000000000000227/9~of:0000000000000247/3",
+        "epA": "of:0000000000000227/9",
+        "epB": "of:0000000000000247/3",
+        "type": "UiDeviceLink",
+        "portA": "9",
+        "portB": "3",
+        "rollup": [
+          {
+            "id": "of:0000000000000227/9~of:0000000000000247/3",
+            "epA": "of:0000000000000227/9",
+            "epB": "of:0000000000000247/3",
+            "type": "UiDeviceLink",
+            "portA": "9",
+            "portB": "3"
+          }
+        ]
+      }
+    ],
+    "devices": [
+      [],
+      [],
+      [
+        {
+          "id": "of:0000000000000246",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "40.15",
+            "name": "s246",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59980",
+            "longitude": "-121.679"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 40.15,
+            "longOrX": -121.679
+          }
+        },
+        {
+          "id": "of:0000000000000206",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s206",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59975",
+            "longitude": "-92.029"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -92.029
+          }
+        },
+        {
+          "id": "of:0000000000000227",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "44.205",
+            "name": "s227",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59979",
+            "longitude": "-96.359"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 44.205,
+            "longOrX": -96.359
+          }
+        },
+        {
+          "id": "of:0000000000000208",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s208",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59977",
+            "longitude": "-116.029"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -116.029
+          }
+        },
+        {
+          "id": "of:0000000000000205",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s205",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59974",
+            "longitude": "-96.89"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -96.89
+          }
+        },
+        {
+          "id": "of:0000000000000247",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "40.205",
+            "name": "s247",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59981",
+            "longitude": "-117.359"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 40.205,
+            "longOrX": -117.359
+          }
+        },
+        {
+          "id": "of:0000000000000226",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "44.15",
+            "name": "s226",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59978",
+            "longitude": "-107.679"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 44.15,
+            "longOrX": -107.679
+          }
+        },
+        {
+          "id": "of:0000000000000203",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s203",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59972",
+            "longitude": "-111.359"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -111.359
+          }
+        },
+        {
+          "id": "of:0000000000000204",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s204",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59973",
+            "longitude": "-106.359"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -106.359
+          }
+        },
+        {
+          "id": "of:0000000000000207",
+          "nodeType": "device",
+          "type": "switch",
+          "online": true,
+          "master": "10.192.19.68",
+          "layer": "def",
+          "props": {
+            "managementAddress": "10.192.19.69",
+            "protocol": "OF_13",
+            "driver": "ofdpa-ovs",
+            "latitude": "36.766",
+            "name": "s207",
+            "locType": "geo",
+            "channelId": "10.192.19.69:59976",
+            "longitude": "-122.359"
+          },
+          "location": {
+            "locType": "geo",
+            "latOrY": 36.766,
+            "longOrX": -122.359
+          }
+        }
+      ]
+    ],
+    "hosts": [
+      [],
+      [],
+      [
+        {
+          "id": "00:88:00:00:00:03/110",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::288:ff:fe00:3",
+            "2000::102",
+            "10.0.1.2"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:DD:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:88:00:00:00:04/160",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::288:ff:fe00:4",
+            "10.0.6.2",
+            "2000::602"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:BB:00:00:00:02/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2bb:ff:fe00:2"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:AA:00:00:00:05/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:88:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::288:ff:fe00:1",
+            "2000::101",
+            "10.0.1.1"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:AA:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:AA:00:00:00:03/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:BB:00:00:00:04/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2bb:ff:fe00:4"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:EE:00:00:00:02/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2ee:ff:fe00:2"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:99:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "10.0.3.253",
+            "fe80::299:ff:fe00:1"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:99:66:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::299:66ff:fe00:1",
+            "2000::3fd"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:EE:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2ee:ff:fe00:1"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:BB:00:00:00:01/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2bb:ff:fe00:1"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:BB:00:00:00:03/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2bb:ff:fe00:3"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:AA:00:00:00:04/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:BB:00:00:00:05/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::2bb:ff:fe00:5"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:88:00:00:00:02/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [
+            "fe80::288:ff:fe00:2",
+            "2000::601",
+            "10.0.6.1"
+          ],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:AA:00:00:00:02/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        },
+        {
+          "id": "00:DD:00:00:00:02/None",
+          "nodeType": "host",
+          "layer": "def",
+          "ips": [],
+          "props": {},
+          "configured": false
+        }
+      ]
+    ],
+    "layerOrder": [
+      "opt",
+      "pkt",
+      "def"
+    ]
+  }
+}`;
+
+const test_OdtnConfig_topo2CurrentRegion = `{
+    "event": "topo2CurrentRegion",
+    "payload": {
+        "id": "(root)",
+        "subregions": [],
+        "links": [
+            {
+                "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
+                "epA": "netconf:127.0.0.1:11002/201",
+                "epB": "netconf:127.0.0.1:11003/201",
+                "type": "UiDeviceLink",
+                "portA": "201",
+                "portB": "201",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
+                        "epA": "netconf:127.0.0.1:11002/201",
+                        "epB": "netconf:127.0.0.1:11003/201",
+                        "type": "UiDeviceLink",
+                        "portA": "201",
+                        "portB": "201"
+                    }
+                ]
+            },
+            {
+                "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
+                "epA": "netconf:127.0.0.1:11002/202",
+                "epB": "netconf:127.0.0.1:11003/202",
+                "type": "UiDeviceLink",
+                "portA": "202",
+                "portB": "202",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
+                        "epA": "netconf:127.0.0.1:11002/202",
+                        "epB": "netconf:127.0.0.1:11003/202",
+                        "type": "UiDeviceLink",
+                        "portA": "202",
+                        "portB": "202"
+                    }
+                ]
+            },
+            {
+                "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
+                "epA": "netconf:127.0.0.1:11002/203",
+                "epB": "netconf:127.0.0.1:11003/203",
+                "type": "UiDeviceLink",
+                "portA": "203",
+                "portB": "203",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
+                        "epA": "netconf:127.0.0.1:11002/203",
+                        "epB": "netconf:127.0.0.1:11003/203",
+                        "type": "UiDeviceLink",
+                        "portA": "203",
+                        "portB": "203"
+                    }
+                ]
+            },
+            {
+                "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
+                "epA": "netconf:127.0.0.1:11002/204",
+                "epB": "netconf:127.0.0.1:11003/204",
+                "type": "UiDeviceLink",
+                "portA": "204",
+                "portB": "204",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
+                        "epA": "netconf:127.0.0.1:11002/204",
+                        "epB": "netconf:127.0.0.1:11003/204",
+                        "type": "UiDeviceLink",
+                        "portA": "204",
+                        "portB": "204"
+                    }
+                ]
+            },
+            {
+                "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
+                "epA": "netconf:127.0.0.1:11002/205",
+                "epB": "netconf:127.0.0.1:11003/205",
+                "type": "UiDeviceLink",
+                "portA": "205",
+                "portB": "205",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
+                        "epA": "netconf:127.0.0.1:11002/205",
+                        "epB": "netconf:127.0.0.1:11003/205",
+                        "type": "UiDeviceLink",
+                        "portA": "205",
+                        "portB": "205"
+                    }
+                ]
+            },
+            {
+                "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
+                "epA": "netconf:127.0.0.1:11002/206",
+                "epB": "netconf:127.0.0.1:11003/206",
+                "type": "UiDeviceLink",
+                "portA": "206",
+                "portB": "206",
+                "rollup": [
+                    {
+                        "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
+                        "epA": "netconf:127.0.0.1:11002/206",
+                        "epB": "netconf:127.0.0.1:11003/206",
+                        "type": "UiDeviceLink",
+                        "portA": "206",
+                        "portB": "206"
+                    }
+                ]
+            }
+        ],
+        "devices": [
+            [],
+            [],
+            [
+                {
+                    "id": "netconf:127.0.0.1:11002",
+                    "nodeType": "device",
+                    "type": "terminal_device",
+                    "online": true,
+                    "master": "127.0.0.1",
+                    "layer": "def",
+                    "props": {
+                        "ipaddress": "127.0.0.1",
+                        "protocol": "NETCONF",
+                        "driver": "cassini-ocnos",
+                        "port": "11002",
+                        "name": "cassini2",
+                        "locType": "none"
+                    }
+                },
+                {
+                    "id": "netconf:127.0.0.1:11003",
+                    "nodeType": "device",
+                    "type": "terminal_device",
+                    "online": true,
+                    "master": "127.0.0.1",
+                    "layer": "def",
+                    "props": {
+                        "ipaddress": "127.0.0.1",
+                        "protocol": "NETCONF",
+                        "driver": "cassini-ocnos",
+                        "port": "11003",
+                        "name": "cassini1",
+                        "locType": "none"
+                    }
+                }
+            ]
+        ],
+        "hosts": [
+            [],
+            [],
+            []
+        ],
+        "layerOrder": [
+            "opt",
+            "pkt",
+            "def"
+        ]
+    }
+}`;
+
+const topo2Highlights_base_data = `{
+    "event": "topo2CurrentRegion",
+    "payload": {
+        "id": "(root)",
+        "subregions": [],
+        "links": [
+            {
+                "id": "device:leaf1/1~device:spine1/1",
+                "epA": "device:leaf1/1",
+                "epB": "device:spine1/1",
+                "type": "UiDeviceLink",
+                "portA": "1",
+                "portB": "1",
+                "rollup": [
+                    {
+                        "id": "device:leaf1/1~device:spine1/1",
+                        "epA": "device:leaf1/1",
+                        "epB": "device:spine1/1",
+                        "type": "UiDeviceLink",
+                        "portA": "1",
+                        "portB": "1"
+                    }
+                ]
+            },
+            {
+                "id": "device:leaf2/2~device:spine2/2",
+                "epA": "device:leaf2/2",
+                "epB": "device:spine2/2",
+                "type": "UiDeviceLink",
+                "portA": "2",
+                "portB": "2",
+                "rollup": [
+                    {
+                        "id": "device:leaf2/2~device:spine2/2",
+                        "epA": "device:leaf2/2",
+                        "epB": "device:spine2/2",
+                        "type": "UiDeviceLink",
+                        "portA": "2",
+                        "portB": "2"
+                    }
+                ]
+            },
+            {
+                "id": "00:00:00:00:00:1A/None~device:leaf1/3",
+                "epA": "00:00:00:00:00:1A/None",
+                "epB": "device:leaf1",
+                "type": "UiEdgeLink",
+                "portB": "3",
+                "rollup": [
+                    {
+                        "id": "00:00:00:00:00:1A/None~device:leaf1/3",
+                        "epA": "00:00:00:00:00:1A/None",
+                        "epB": "device:leaf1",
+                        "type": "UiEdgeLink",
+                        "portB": "3"
+                    }
+                ]
+            },
+            {
+                "id": "00:00:00:00:00:30/None~device:leaf2/3",
+                "epA": "00:00:00:00:00:30/None",
+                "epB": "device:leaf2",
+                "type": "UiEdgeLink",
+                "portB": "3",
+                "rollup": [
+                    {
+                        "id": "00:00:00:00:00:30/None~device:leaf2/3",
+                        "epA": "00:00:00:00:00:30/None",
+                        "epB": "device:leaf2",
+                        "type": "UiEdgeLink",
+                        "portB": "3"
+                    }
+                ]
+            },
+            {
+                "id": "device:leaf1/2~device:spine2/1",
+                "epA": "device:leaf1/2",
+                "epB": "device:spine2/1",
+                "type": "UiDeviceLink",
+                "portA": "2",
+                "portB": "1",
+                "rollup": [
+                    {
+                        "id": "device:leaf1/2~device:spine2/1",
+                        "epA": "device:leaf1/2",
+                        "epB": "device:spine2/1",
+                        "type": "UiDeviceLink",
+                        "portA": "2",
+                        "portB": "1"
+                    }
+                ]
+            },
+            {
+                "id": "device:leaf2/1~device:spine1/2",
+                "epA": "device:leaf2/1",
+                "epB": "device:spine1/2",
+                "type": "UiDeviceLink",
+                "portA": "1",
+                "portB": "2",
+                "rollup": [
+                    {
+                        "id": "device:leaf2/1~device:spine1/2",
+                        "epA": "device:leaf2/1",
+                        "epB": "device:spine1/2",
+                        "type": "UiDeviceLink",
+                        "portA": "1",
+                        "portB": "2"
+                    }
+                ]
+            },
+            {
+                "id": "00:00:00:00:00:20/None~device:leaf1/6",
+                "epA": "00:00:00:00:00:20/None",
+                "epB": "device:leaf1",
+                "type": "UiEdgeLink",
+                "portB": "6",
+                "rollup": [
+                    {
+                        "id": "00:00:00:00:00:20/None~device:leaf1/6",
+                        "epA": "00:00:00:00:00:20/None",
+                        "epB": "device:leaf1",
+                        "type": "UiEdgeLink",
+                        "portB": "6"
+                    }
+                ]
+            },
+            {
+                "id": "00:00:00:00:00:1C/None~device:leaf1/5",
+                "epA": "00:00:00:00:00:1C/None",
+                "epB": "device:leaf1",
+                "type": "UiEdgeLink",
+                "portB": "5",
+                "rollup": [
+                    {
+                        "id": "00:00:00:00:00:1C/None~device:leaf1/5",
+                        "epA": "00:00:00:00:00:1C/None",
+                        "epB": "device:leaf1",
+                        "type": "UiEdgeLink",
+                        "portB": "5"
+                    }
+                ]
+            },
+            {
+                "id": "00:00:00:00:00:1B/None~device:leaf1/4",
+                "epA": "00:00:00:00:00:1B/None",
+                "epB": "device:leaf1",
+                "type": "UiEdgeLink",
+                "portB": "4",
+                "rollup": [
+                    {
+                        "id": "00:00:00:00:00:1B/None~device:leaf1/4",
+                        "epA": "00:00:00:00:00:1B/None",
+                        "epB": "device:leaf1",
+                        "type": "UiEdgeLink",
+                        "portB": "4"
+                    }
+                ]
+            }
+        ],
+        "devices": [
+            [],
+            [],
+            [
+                {
+                    "id": "device:spine1",
+                    "nodeType": "device",
+                    "type": "switch",
+                    "online": true,
+                    "master": "172.24.0.3",
+                    "layer": "def",
+                    "props": {
+                        "managementAddress": "grpc://mininet:50003?device_id=1",
+                        "protocol": "P4Runtime, gNMI, gNOI",
+                        "gridX": "400.0",
+                        "gridY": "400.0",
+                        "driver": "stratum-bmv2",
+                        "name": "device:spine1",
+                        "p4DeviceId": "1",
+                        "locType": "grid"
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 400.0,
+                        "longOrX": 400.0
+                    }
+                },
+                {
+                    "id": "device:spine2",
+                    "nodeType": "device",
+                    "type": "switch",
+                    "online": true,
+                    "master": "172.24.0.3",
+                    "layer": "def",
+                    "props": {
+                        "managementAddress": "grpc://mininet:50004?device_id=1",
+                        "protocol": "P4Runtime, gNMI, gNOI",
+                        "gridX": "600.0",
+                        "gridY": "400.0",
+                        "driver": "stratum-bmv2",
+                        "name": "device:spine2",
+                        "p4DeviceId": "1",
+                        "locType": "grid"
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 400.0,
+                        "longOrX": 600.0
+                    }
+                },
+                {
+                    "id": "device:leaf2",
+                    "nodeType": "device",
+                    "type": "switch",
+                    "online": true,
+                    "master": "172.24.0.3",
+                    "layer": "def",
+                    "props": {
+                        "managementAddress": "grpc://mininet:50002?device_id=1",
+                        "protocol": "P4Runtime, gNMI, gNOI",
+                        "gridX": "800.0",
+                        "gridY": "600.0",
+                        "driver": "stratum-bmv2",
+                        "name": "device:leaf2",
+                        "p4DeviceId": "1",
+                        "locType": "grid"
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 600.0,
+                        "longOrX": 800.0
+                    }
+                },
+                {
+                    "id": "device:leaf1",
+                    "nodeType": "device",
+                    "type": "switch",
+                    "online": true,
+                    "master": "172.24.0.3",
+                    "layer": "def",
+                    "props": {
+                        "managementAddress": "grpc://mininet:50001?device_id=1",
+                        "protocol": "P4Runtime, gNMI, gNOI",
+                        "gridX": "200.0",
+                        "gridY": "600.0",
+                        "driver": "stratum-bmv2",
+                        "name": "device:leaf1",
+                        "p4DeviceId": "1",
+                        "locType": "grid"
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 600.0,
+                        "longOrX": 200.0
+                    }
+                }
+            ]
+        ],
+        "hosts": [
+            [],
+            [],
+            [
+                {
+                    "id": "00:00:00:00:00:30/None",
+                    "nodeType": "host",
+                    "layer": "def",
+                    "ips": [
+                        "2001:2:3::1"
+                    ],
+                    "props": {
+                        "gridX": "750.0",
+                        "gridY": "700.0",
+                        "latitude": null,
+                        "name": "h3",
+                        "locType": "grid",
+                        "longitude": null
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 700.0,
+                        "longOrX": 750.0
+                    },
+                    "configured": false
+                },
+                {
+                    "id": "00:00:00:00:00:1A/None",
+                    "nodeType": "host",
+                    "layer": "def",
+                    "ips": [
+                        "2001:1:1::a"
+                    ],
+                    "props": {
+                        "gridX": "100.0",
+                        "gridY": "700.0",
+                        "latitude": null,
+                        "name": "h1a",
+                        "locType": "grid",
+                        "longitude": null
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 700.0,
+                        "longOrX": 100.0
+                    },
+                    "configured": false
+                },
+                {
+                    "id": "00:00:00:00:00:1B/None",
+                    "nodeType": "host",
+                    "layer": "def",
+                    "ips": [
+                        "2001:1:1::b"
+                    ],
+                    "props": {
+                        "gridX": "100.0",
+                        "gridY": "800.0",
+                        "latitude": null,
+                        "name": "h1b",
+                        "locType": "grid",
+                        "longitude": null
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 800.0,
+                        "longOrX": 100.0
+                    },
+                    "configured": false
+                },
+                {
+                    "id": "00:00:00:00:00:1C/None",
+                    "nodeType": "host",
+                    "layer": "def",
+                    "ips": [
+                        "2001:1:1::c"
+                    ],
+                    "props": {
+                        "gridX": "250.0",
+                        "gridY": "800.0",
+                        "latitude": null,
+                        "name": "h1c",
+                        "locType": "grid",
+                        "longitude": null
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 800.0,
+                        "longOrX": 250.0
+                    },
+                    "configured": false
+                },
+                {
+                    "id": "00:00:00:00:00:20/None",
+                    "nodeType": "host",
+                    "layer": "def",
+                    "ips": [
+                        "2001:1:2::1"
+                    ],
+                    "props": {
+                        "gridX": "400.0",
+                        "gridY": "700.0",
+                        "latitude": null,
+                        "name": "h2",
+                        "locType": "grid",
+                        "longitude": null
+                    },
+                    "location": {
+                        "locType": "grid",
+                        "latOrY": 700.0,
+                        "longOrX": 400.0
+                    },
+                    "configured": false
+                }
+            ]
+        ],
+        "layerOrder": [
+            "opt",
+            "pkt",
+            "def"
+        ]
+    }
+}`;
+
+const topo2Highlights_sample = `
+{
+  "event": "topo2Highlights",
+  "payload": {
+    "devices": [],
+    "hosts": [],
+    "links": [
+      {
+        "id": "device:leaf2/2~device:spine2/2",
+        "label": "964.91 Kbps",
+        "css": "secondary port-traffic-green"
+      },
+      {
+        "id": "device:leaf1/1~device:spine1/1",
+        "label": "3.92 Mbps",
+        "css": "secondary port-traffic-yellow"
+      },
+      {
+        "id": "00:00:00:00:00:30/None~device:leaf2/3",
+        "label": "4.46 Mbps",
+        "css": "secondary port-traffic-yellow"
+      },
+      {
+        "id": "device:leaf2/1~device:spine1/2",
+        "label": "3.53 Mbps",
+        "css": "secondary port-traffic-yellow"
+      },
+      {
+        "id": "device:leaf1/2~device:spine2/1",
+        "label": "1.06 Mbps",
+        "css": "secondary port-traffic-yellow"
+      },
+      {
+        "id": "00:00:00:00:00:20/None~device:leaf1/6",
+        "label": "4.98 Mbps",
+        "css": "secondary port-traffic-yellow"
+      }
+    ]
+  }
+}`;
+
 class MockActivatedRoute extends ActivatedRoute {
     constructor(params: Params) {
         super();
@@ -96,16 +1889,16 @@
     let logServiceSpy: jasmine.SpyObj<LogService>;
     let component: ForceSvgComponent;
     let fixture: ComponentFixture<ForceSvgComponent>;
-    const openflowSampleData = require('./tests/test-module-topo2CurrentRegion.json');
+    const openflowSampleData = JSON.parse(test_module_topo2CurrentRegion);
     const openflowRegionData: Region = <Region><unknown>(openflowSampleData.payload);
 
-    const odtnSampleData = require('./tests/test-OdtnConfig-topo2CurrentRegion.json');
+    const odtnSampleData = JSON.parse(test_OdtnConfig_topo2CurrentRegion);
     const odtnRegionData: Region = <Region><unknown>(odtnSampleData.payload);
 
-    const topo2BaseData = require('./tests/topo2Highlights-base-data.json');
+    const topo2BaseData = JSON.parse(topo2Highlights_base_data);
     const topo2BaseRegionData: Region = <Region><unknown>(topo2BaseData.payload);
 
-    const highlightSampleData = require('./tests/topo2Highlights-sample.json');
+    const highlightSampleData = JSON.parse(topo2Highlights_sample);
     const linkHightlights: LinkHighlight[] = <LinkHighlight[]><unknown>(highlightSampleData.payload.links);
 
     const emptyRegion: Region = <Region>{devices: [ [], [], [] ], hosts: [ [], [], [] ], links: []};
diff --git a/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-OdtnConfig-topo2CurrentRegion.json b/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-OdtnConfig-topo2CurrentRegion.json
deleted file mode 100644
index 2087940..0000000
--- a/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-OdtnConfig-topo2CurrentRegion.json
+++ /dev/null
@@ -1,165 +0,0 @@
-{
-    "event": "topo2CurrentRegion",
-    "payload": {
-        "id": "(root)",
-        "subregions": [],
-        "links": [
-            {
-                "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
-                "epA": "netconf:127.0.0.1:11002/201",
-                "epB": "netconf:127.0.0.1:11003/201",
-                "type": "UiDeviceLink",
-                "portA": "201",
-                "portB": "201",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/201~netconf:127.0.0.1:11003/201",
-                        "epA": "netconf:127.0.0.1:11002/201",
-                        "epB": "netconf:127.0.0.1:11003/201",
-                        "type": "UiDeviceLink",
-                        "portA": "201",
-                        "portB": "201"
-                    }
-                ]
-            },
-            {
-                "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
-                "epA": "netconf:127.0.0.1:11002/202",
-                "epB": "netconf:127.0.0.1:11003/202",
-                "type": "UiDeviceLink",
-                "portA": "202",
-                "portB": "202",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/202~netconf:127.0.0.1:11003/202",
-                        "epA": "netconf:127.0.0.1:11002/202",
-                        "epB": "netconf:127.0.0.1:11003/202",
-                        "type": "UiDeviceLink",
-                        "portA": "202",
-                        "portB": "202"
-                    }
-                ]
-            },
-            {
-                "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
-                "epA": "netconf:127.0.0.1:11002/203",
-                "epB": "netconf:127.0.0.1:11003/203",
-                "type": "UiDeviceLink",
-                "portA": "203",
-                "portB": "203",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/203~netconf:127.0.0.1:11003/203",
-                        "epA": "netconf:127.0.0.1:11002/203",
-                        "epB": "netconf:127.0.0.1:11003/203",
-                        "type": "UiDeviceLink",
-                        "portA": "203",
-                        "portB": "203"
-                    }
-                ]
-            },
-            {
-                "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
-                "epA": "netconf:127.0.0.1:11002/204",
-                "epB": "netconf:127.0.0.1:11003/204",
-                "type": "UiDeviceLink",
-                "portA": "204",
-                "portB": "204",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/204~netconf:127.0.0.1:11003/204",
-                        "epA": "netconf:127.0.0.1:11002/204",
-                        "epB": "netconf:127.0.0.1:11003/204",
-                        "type": "UiDeviceLink",
-                        "portA": "204",
-                        "portB": "204"
-                    }
-                ]
-            },
-            {
-                "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
-                "epA": "netconf:127.0.0.1:11002/205",
-                "epB": "netconf:127.0.0.1:11003/205",
-                "type": "UiDeviceLink",
-                "portA": "205",
-                "portB": "205",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/205~netconf:127.0.0.1:11003/205",
-                        "epA": "netconf:127.0.0.1:11002/205",
-                        "epB": "netconf:127.0.0.1:11003/205",
-                        "type": "UiDeviceLink",
-                        "portA": "205",
-                        "portB": "205"
-                    }
-                ]
-            },
-            {
-                "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
-                "epA": "netconf:127.0.0.1:11002/206",
-                "epB": "netconf:127.0.0.1:11003/206",
-                "type": "UiDeviceLink",
-                "portA": "206",
-                "portB": "206",
-                "rollup": [
-                    {
-                        "id": "netconf:127.0.0.1:11002/206~netconf:127.0.0.1:11003/206",
-                        "epA": "netconf:127.0.0.1:11002/206",
-                        "epB": "netconf:127.0.0.1:11003/206",
-                        "type": "UiDeviceLink",
-                        "portA": "206",
-                        "portB": "206"
-                    }
-                ]
-            }
-        ],
-        "devices": [
-            [],
-            [],
-            [
-                {
-                    "id": "netconf:127.0.0.1:11002",
-                    "nodeType": "device",
-                    "type": "terminal_device",
-                    "online": true,
-                    "master": "127.0.0.1",
-                    "layer": "def",
-                    "props": {
-                        "ipaddress": "127.0.0.1",
-                        "protocol": "NETCONF",
-                        "driver": "cassini-ocnos",
-                        "port": "11002",
-                        "name": "cassini2",
-                        "locType": "none"
-                    }
-                },
-                {
-                    "id": "netconf:127.0.0.1:11003",
-                    "nodeType": "device",
-                    "type": "terminal_device",
-                    "online": true,
-                    "master": "127.0.0.1",
-                    "layer": "def",
-                    "props": {
-                        "ipaddress": "127.0.0.1",
-                        "protocol": "NETCONF",
-                        "driver": "cassini-ocnos",
-                        "port": "11003",
-                        "name": "cassini1",
-                        "locType": "none"
-                    }
-                }
-            ]
-        ],
-        "hosts": [
-            [],
-            [],
-            []
-        ],
-        "layerOrder": [
-            "opt",
-            "pkt",
-            "def"
-        ]
-    }
-}
diff --git a/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-module-topo2CurrentRegion.json b/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-module-topo2CurrentRegion.json
deleted file mode 100644
index e8af22f..0000000
--- a/web/gui2-topo-lib/lib/layer/forcesvg/tests/test-module-topo2CurrentRegion.json
+++ /dev/null
@@ -1,1204 +0,0 @@
-{
-  "event": "topo2CurrentRegion",
-  "payload": {
-    "id": "(root)",
-    "subregions": [],
-    "links": [
-      {
-        "id": "00:AA:00:00:00:03/None~of:0000000000000205/6",
-        "epA": "00:AA:00:00:00:03/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "00:AA:00:00:00:03/None~of:0000000000000205/6",
-            "epA": "00:AA:00:00:00:03/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000205/3~of:0000000000000227/5",
-        "epA": "of:0000000000000205/3",
-        "epB": "of:0000000000000227/5",
-        "type": "UiDeviceLink",
-        "portA": "3",
-        "portB": "5",
-        "rollup": [
-          {
-            "id": "of:0000000000000205/3~of:0000000000000227/5",
-            "epA": "of:0000000000000205/3",
-            "epB": "of:0000000000000227/5",
-            "type": "UiDeviceLink",
-            "portA": "3",
-            "portB": "5"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000206/2~of:0000000000000226/8",
-        "epA": "of:0000000000000206/2",
-        "epB": "of:0000000000000226/8",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "8",
-        "rollup": [
-          {
-            "id": "of:0000000000000206/2~of:0000000000000226/8",
-            "epA": "of:0000000000000206/2",
-            "epB": "of:0000000000000226/8",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "8"
-          }
-        ]
-      },
-      {
-        "id": "00:BB:00:00:00:05/None~of:0000000000000203/7",
-        "epA": "00:BB:00:00:00:05/None",
-        "epB": "of:0000000000000203",
-        "type": "UiEdgeLink",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "00:BB:00:00:00:05/None~of:0000000000000203/7",
-            "epA": "00:BB:00:00:00:05/None",
-            "epB": "of:0000000000000203",
-            "type": "UiEdgeLink",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "00:DD:00:00:00:01/None~of:0000000000000207/3",
-        "epA": "00:DD:00:00:00:01/None",
-        "epB": "of:0000000000000207",
-        "type": "UiEdgeLink",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "00:DD:00:00:00:01/None~of:0000000000000207/3",
-            "epA": "00:DD:00:00:00:01/None",
-            "epB": "of:0000000000000207",
-            "type": "UiEdgeLink",
-            "portB": "3"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000203/1~of:0000000000000226/1",
-        "epA": "of:0000000000000203/1",
-        "epB": "of:0000000000000226/1",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "1",
-        "rollup": [
-          {
-            "id": "of:0000000000000203/1~of:0000000000000226/1",
-            "epA": "of:0000000000000203/1",
-            "epB": "of:0000000000000226/1",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "1"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000207/2~of:0000000000000247/1",
-        "epA": "of:0000000000000207/2",
-        "epB": "of:0000000000000247/1",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "1",
-        "rollup": [
-          {
-            "id": "of:0000000000000207/2~of:0000000000000247/1",
-            "epA": "of:0000000000000207/2",
-            "epB": "of:0000000000000247/1",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "1"
-          }
-        ]
-      },
-      {
-        "id": "00:99:66:00:00:01/None~of:0000000000000205/10",
-        "epA": "00:99:66:00:00:01/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "10",
-        "rollup": [
-          {
-            "id": "00:99:66:00:00:01/None~of:0000000000000205/10",
-            "epA": "00:99:66:00:00:01/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "10"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000208/1~of:0000000000000246/2",
-        "epA": "of:0000000000000208/1",
-        "epB": "of:0000000000000246/2",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "2",
-        "rollup": [
-          {
-            "id": "of:0000000000000208/1~of:0000000000000246/2",
-            "epA": "of:0000000000000208/1",
-            "epB": "of:0000000000000246/2",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "2"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000206/1~of:0000000000000226/7",
-        "epA": "of:0000000000000206/1",
-        "epB": "of:0000000000000226/7",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "of:0000000000000206/1~of:0000000000000226/7",
-            "epA": "of:0000000000000206/1",
-            "epB": "of:0000000000000226/7",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000226/9~of:0000000000000246/3",
-        "epA": "of:0000000000000226/9",
-        "epB": "of:0000000000000246/3",
-        "type": "UiDeviceLink",
-        "portA": "9",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "of:0000000000000226/9~of:0000000000000246/3",
-            "epA": "of:0000000000000226/9",
-            "epB": "of:0000000000000246/3",
-            "type": "UiDeviceLink",
-            "portA": "9",
-            "portB": "3"
-          }
-        ]
-      },
-      {
-        "id": "00:AA:00:00:00:04/None~of:0000000000000205/7",
-        "epA": "00:AA:00:00:00:04/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "00:AA:00:00:00:04/None~of:0000000000000205/7",
-            "epA": "00:AA:00:00:00:04/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "00:88:00:00:00:03/110~of:0000000000000205/11",
-        "epA": "00:88:00:00:00:03/110",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "11",
-        "rollup": [
-          {
-            "id": "00:88:00:00:00:03/110~of:0000000000000205/11",
-            "epA": "00:88:00:00:00:03/110",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "11"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000204/1~of:0000000000000226/3",
-        "epA": "of:0000000000000204/1",
-        "epB": "of:0000000000000226/3",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "of:0000000000000204/1~of:0000000000000226/3",
-            "epA": "of:0000000000000204/1",
-            "epB": "of:0000000000000226/3",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "3"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000203/2~of:0000000000000226/2",
-        "epA": "of:0000000000000203/2",
-        "epB": "of:0000000000000226/2",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "2",
-        "rollup": [
-          {
-            "id": "of:0000000000000203/2~of:0000000000000226/2",
-            "epA": "of:0000000000000203/2",
-            "epB": "of:0000000000000226/2",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "2"
-          }
-        ]
-      },
-      {
-        "id": "00:88:00:00:00:01/None~of:0000000000000205/12",
-        "epA": "00:88:00:00:00:01/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "12",
-        "rollup": [
-          {
-            "id": "00:88:00:00:00:01/None~of:0000000000000205/12",
-            "epA": "00:88:00:00:00:01/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "12"
-          }
-        ]
-      },
-      {
-        "id": "00:88:00:00:00:04/160~of:0000000000000206/6",
-        "epA": "00:88:00:00:00:04/160",
-        "epB": "of:0000000000000206",
-        "type": "UiEdgeLink",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "00:88:00:00:00:04/160~of:0000000000000206/6",
-            "epA": "00:88:00:00:00:04/160",
-            "epB": "of:0000000000000206",
-            "type": "UiEdgeLink",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "00:DD:00:00:00:02/None~of:0000000000000208/3",
-        "epA": "00:DD:00:00:00:02/None",
-        "epB": "of:0000000000000208",
-        "type": "UiEdgeLink",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "00:DD:00:00:00:02/None~of:0000000000000208/3",
-            "epA": "00:DD:00:00:00:02/None",
-            "epB": "of:0000000000000208",
-            "type": "UiEdgeLink",
-            "portB": "3"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000203/3~of:0000000000000227/1",
-        "epA": "of:0000000000000203/3",
-        "epB": "of:0000000000000227/1",
-        "type": "UiDeviceLink",
-        "portA": "3",
-        "portB": "1",
-        "rollup": [
-          {
-            "id": "of:0000000000000203/3~of:0000000000000227/1",
-            "epA": "of:0000000000000203/3",
-            "epB": "of:0000000000000227/1",
-            "type": "UiDeviceLink",
-            "portA": "3",
-            "portB": "1"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000208/2~of:0000000000000247/2",
-        "epA": "of:0000000000000208/2",
-        "epB": "of:0000000000000247/2",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "2",
-        "rollup": [
-          {
-            "id": "of:0000000000000208/2~of:0000000000000247/2",
-            "epA": "of:0000000000000208/2",
-            "epB": "of:0000000000000247/2",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "2"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000205/1~of:0000000000000226/5",
-        "epA": "of:0000000000000205/1",
-        "epB": "of:0000000000000226/5",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "5",
-        "rollup": [
-          {
-            "id": "of:0000000000000205/1~of:0000000000000226/5",
-            "epA": "of:0000000000000205/1",
-            "epB": "of:0000000000000226/5",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "5"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000204/2~of:0000000000000226/4",
-        "epA": "of:0000000000000204/2",
-        "epB": "of:0000000000000226/4",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "4",
-        "rollup": [
-          {
-            "id": "of:0000000000000204/2~of:0000000000000226/4",
-            "epA": "of:0000000000000204/2",
-            "epB": "of:0000000000000226/4",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "4"
-          }
-        ]
-      },
-      {
-        "id": "00:AA:00:00:00:01/None~of:0000000000000204/6",
-        "epA": "00:AA:00:00:00:01/None",
-        "epB": "of:0000000000000204",
-        "type": "UiEdgeLink",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "00:AA:00:00:00:01/None~of:0000000000000204/6",
-            "epA": "00:AA:00:00:00:01/None",
-            "epB": "of:0000000000000204",
-            "type": "UiEdgeLink",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "00:BB:00:00:00:03/None~of:0000000000000205/8",
-        "epA": "00:BB:00:00:00:03/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "8",
-        "rollup": [
-          {
-            "id": "00:BB:00:00:00:03/None~of:0000000000000205/8",
-            "epA": "00:BB:00:00:00:03/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "8"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000206/4~of:0000000000000227/8",
-        "epA": "of:0000000000000206/4",
-        "epB": "of:0000000000000227/8",
-        "type": "UiDeviceLink",
-        "portA": "4",
-        "portB": "8",
-        "rollup": [
-          {
-            "id": "of:0000000000000206/4~of:0000000000000227/8",
-            "epA": "of:0000000000000206/4",
-            "epB": "of:0000000000000227/8",
-            "type": "UiDeviceLink",
-            "portA": "4",
-            "portB": "8"
-          }
-        ]
-      },
-      {
-        "id": "00:AA:00:00:00:05/None~of:0000000000000203/6",
-        "epA": "00:AA:00:00:00:05/None",
-        "epB": "of:0000000000000203",
-        "type": "UiEdgeLink",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "00:AA:00:00:00:05/None~of:0000000000000203/6",
-            "epA": "00:AA:00:00:00:05/None",
-            "epB": "of:0000000000000203",
-            "type": "UiEdgeLink",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000205/5~of:0000000000000206/5",
-        "epA": "of:0000000000000205/5",
-        "epB": "of:0000000000000206/5",
-        "type": "UiDeviceLink",
-        "portA": "5",
-        "portB": "5",
-        "rollup": [
-          {
-            "id": "of:0000000000000205/5~of:0000000000000206/5",
-            "epA": "of:0000000000000205/5",
-            "epB": "of:0000000000000206/5",
-            "type": "UiDeviceLink",
-            "portA": "5",
-            "portB": "5"
-          }
-        ]
-      },
-      {
-        "id": "00:BB:00:00:00:02/None~of:0000000000000204/9",
-        "epA": "00:BB:00:00:00:02/None",
-        "epB": "of:0000000000000204",
-        "type": "UiEdgeLink",
-        "portB": "9",
-        "rollup": [
-          {
-            "id": "00:BB:00:00:00:02/None~of:0000000000000204/9",
-            "epA": "00:BB:00:00:00:02/None",
-            "epB": "of:0000000000000204",
-            "type": "UiEdgeLink",
-            "portB": "9"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000204/3~of:0000000000000227/3",
-        "epA": "of:0000000000000204/3",
-        "epB": "of:0000000000000227/3",
-        "type": "UiDeviceLink",
-        "portA": "3",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "of:0000000000000204/3~of:0000000000000227/3",
-            "epA": "of:0000000000000204/3",
-            "epB": "of:0000000000000227/3",
-            "type": "UiDeviceLink",
-            "portA": "3",
-            "portB": "3"
-          }
-        ]
-      },
-      {
-        "id": "00:EE:00:00:00:01/None~of:0000000000000207/4",
-        "epA": "00:EE:00:00:00:01/None",
-        "epB": "of:0000000000000207",
-        "type": "UiEdgeLink",
-        "portB": "4",
-        "rollup": [
-          {
-            "id": "00:EE:00:00:00:01/None~of:0000000000000207/4",
-            "epA": "00:EE:00:00:00:01/None",
-            "epB": "of:0000000000000207",
-            "type": "UiEdgeLink",
-            "portB": "4"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000203/4~of:0000000000000227/2",
-        "epA": "of:0000000000000203/4",
-        "epB": "of:0000000000000227/2",
-        "type": "UiDeviceLink",
-        "portA": "4",
-        "portB": "2",
-        "rollup": [
-          {
-            "id": "of:0000000000000203/4~of:0000000000000227/2",
-            "epA": "of:0000000000000203/4",
-            "epB": "of:0000000000000227/2",
-            "type": "UiDeviceLink",
-            "portA": "4",
-            "portB": "2"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000205/2~of:0000000000000226/6",
-        "epA": "of:0000000000000205/2",
-        "epB": "of:0000000000000226/6",
-        "type": "UiDeviceLink",
-        "portA": "2",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "of:0000000000000205/2~of:0000000000000226/6",
-            "epA": "of:0000000000000205/2",
-            "epB": "of:0000000000000226/6",
-            "type": "UiDeviceLink",
-            "portA": "2",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "00:99:00:00:00:01/None~of:0000000000000205/10",
-        "epA": "00:99:00:00:00:01/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "10",
-        "rollup": [
-          {
-            "id": "00:99:00:00:00:01/None~of:0000000000000205/10",
-            "epA": "00:99:00:00:00:01/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "10"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000205/4~of:0000000000000227/6",
-        "epA": "of:0000000000000205/4",
-        "epB": "of:0000000000000227/6",
-        "type": "UiDeviceLink",
-        "portA": "4",
-        "portB": "6",
-        "rollup": [
-          {
-            "id": "of:0000000000000205/4~of:0000000000000227/6",
-            "epA": "of:0000000000000205/4",
-            "epB": "of:0000000000000227/6",
-            "type": "UiDeviceLink",
-            "portA": "4",
-            "portB": "6"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000206/3~of:0000000000000227/7",
-        "epA": "of:0000000000000206/3",
-        "epB": "of:0000000000000227/7",
-        "type": "UiDeviceLink",
-        "portA": "3",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "of:0000000000000206/3~of:0000000000000227/7",
-            "epA": "of:0000000000000206/3",
-            "epB": "of:0000000000000227/7",
-            "type": "UiDeviceLink",
-            "portA": "3",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "00:BB:00:00:00:04/None~of:0000000000000205/9",
-        "epA": "00:BB:00:00:00:04/None",
-        "epB": "of:0000000000000205",
-        "type": "UiEdgeLink",
-        "portB": "9",
-        "rollup": [
-          {
-            "id": "00:BB:00:00:00:04/None~of:0000000000000205/9",
-            "epA": "00:BB:00:00:00:04/None",
-            "epB": "of:0000000000000205",
-            "type": "UiEdgeLink",
-            "portB": "9"
-          }
-        ]
-      },
-      {
-        "id": "00:AA:00:00:00:02/None~of:0000000000000204/7",
-        "epA": "00:AA:00:00:00:02/None",
-        "epB": "of:0000000000000204",
-        "type": "UiEdgeLink",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "00:AA:00:00:00:02/None~of:0000000000000204/7",
-            "epA": "00:AA:00:00:00:02/None",
-            "epB": "of:0000000000000204",
-            "type": "UiEdgeLink",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "00:BB:00:00:00:01/None~of:0000000000000204/8",
-        "epA": "00:BB:00:00:00:01/None",
-        "epB": "of:0000000000000204",
-        "type": "UiEdgeLink",
-        "portB": "8",
-        "rollup": [
-          {
-            "id": "00:BB:00:00:00:01/None~of:0000000000000204/8",
-            "epA": "00:BB:00:00:00:01/None",
-            "epB": "of:0000000000000204",
-            "type": "UiEdgeLink",
-            "portB": "8"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000207/1~of:0000000000000246/1",
-        "epA": "of:0000000000000207/1",
-        "epB": "of:0000000000000246/1",
-        "type": "UiDeviceLink",
-        "portA": "1",
-        "portB": "1",
-        "rollup": [
-          {
-            "id": "of:0000000000000207/1~of:0000000000000246/1",
-            "epA": "of:0000000000000207/1",
-            "epB": "of:0000000000000246/1",
-            "type": "UiDeviceLink",
-            "portA": "1",
-            "portB": "1"
-          }
-        ]
-      },
-      {
-        "id": "00:88:00:00:00:02/None~of:0000000000000206/7",
-        "epA": "00:88:00:00:00:02/None",
-        "epB": "of:0000000000000206",
-        "type": "UiEdgeLink",
-        "portB": "7",
-        "rollup": [
-          {
-            "id": "00:88:00:00:00:02/None~of:0000000000000206/7",
-            "epA": "00:88:00:00:00:02/None",
-            "epB": "of:0000000000000206",
-            "type": "UiEdgeLink",
-            "portB": "7"
-          }
-        ]
-      },
-      {
-        "id": "00:EE:00:00:00:02/None~of:0000000000000208/4",
-        "epA": "00:EE:00:00:00:02/None",
-        "epB": "of:0000000000000208",
-        "type": "UiEdgeLink",
-        "portB": "4",
-        "rollup": [
-          {
-            "id": "00:EE:00:00:00:02/None~of:0000000000000208/4",
-            "epA": "00:EE:00:00:00:02/None",
-            "epB": "of:0000000000000208",
-            "type": "UiEdgeLink",
-            "portB": "4"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000204/4~of:0000000000000227/4",
-        "epA": "of:0000000000000204/4",
-        "epB": "of:0000000000000227/4",
-        "type": "UiDeviceLink",
-        "portA": "4",
-        "portB": "4",
-        "rollup": [
-          {
-            "id": "of:0000000000000204/4~of:0000000000000227/4",
-            "epA": "of:0000000000000204/4",
-            "epB": "of:0000000000000227/4",
-            "type": "UiDeviceLink",
-            "portA": "4",
-            "portB": "4"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000203/5~of:0000000000000204/5",
-        "epA": "of:0000000000000203/5",
-        "epB": "of:0000000000000204/5",
-        "type": "UiDeviceLink",
-        "portA": "5",
-        "portB": "5",
-        "rollup": [
-          {
-            "id": "of:0000000000000203/5~of:0000000000000204/5",
-            "epA": "of:0000000000000203/5",
-            "epB": "of:0000000000000204/5",
-            "type": "UiDeviceLink",
-            "portA": "5",
-            "portB": "5"
-          }
-        ]
-      },
-      {
-        "id": "of:0000000000000227/9~of:0000000000000247/3",
-        "epA": "of:0000000000000227/9",
-        "epB": "of:0000000000000247/3",
-        "type": "UiDeviceLink",
-        "portA": "9",
-        "portB": "3",
-        "rollup": [
-          {
-            "id": "of:0000000000000227/9~of:0000000000000247/3",
-            "epA": "of:0000000000000227/9",
-            "epB": "of:0000000000000247/3",
-            "type": "UiDeviceLink",
-            "portA": "9",
-            "portB": "3"
-          }
-        ]
-      }
-    ],
-    "devices": [
-      [],
-      [],
-      [
-        {
-          "id": "of:0000000000000246",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "40.15",
-            "name": "s246",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59980",
-            "longitude": "-121.679"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 40.15,
-            "longOrX": -121.679
-          }
-        },
-        {
-          "id": "of:0000000000000206",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s206",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59975",
-            "longitude": "-92.029"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -92.029
-          }
-        },
-        {
-          "id": "of:0000000000000227",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "44.205",
-            "name": "s227",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59979",
-            "longitude": "-96.359"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 44.205,
-            "longOrX": -96.359
-          }
-        },
-        {
-          "id": "of:0000000000000208",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s208",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59977",
-            "longitude": "-116.029"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -116.029
-          }
-        },
-        {
-          "id": "of:0000000000000205",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s205",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59974",
-            "longitude": "-96.89"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -96.89
-          }
-        },
-        {
-          "id": "of:0000000000000247",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "40.205",
-            "name": "s247",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59981",
-            "longitude": "-117.359"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 40.205,
-            "longOrX": -117.359
-          }
-        },
-        {
-          "id": "of:0000000000000226",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "44.15",
-            "name": "s226",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59978",
-            "longitude": "-107.679"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 44.15,
-            "longOrX": -107.679
-          }
-        },
-        {
-          "id": "of:0000000000000203",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s203",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59972",
-            "longitude": "-111.359"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -111.359
-          }
-        },
-        {
-          "id": "of:0000000000000204",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s204",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59973",
-            "longitude": "-106.359"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -106.359
-          }
-        },
-        {
-          "id": "of:0000000000000207",
-          "nodeType": "device",
-          "type": "switch",
-          "online": true,
-          "master": "10.192.19.68",
-          "layer": "def",
-          "props": {
-            "managementAddress": "10.192.19.69",
-            "protocol": "OF_13",
-            "driver": "ofdpa-ovs",
-            "latitude": "36.766",
-            "name": "s207",
-            "locType": "geo",
-            "channelId": "10.192.19.69:59976",
-            "longitude": "-122.359"
-          },
-          "location": {
-            "locType": "geo",
-            "latOrY": 36.766,
-            "longOrX": -122.359
-          }
-        }
-      ]
-    ],
-    "hosts": [
-      [],
-      [],
-      [
-        {
-          "id": "00:88:00:00:00:03/110",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::288:ff:fe00:3",
-            "2000::102",
-            "10.0.1.2"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:DD:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:88:00:00:00:04/160",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::288:ff:fe00:4",
-            "10.0.6.2",
-            "2000::602"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:BB:00:00:00:02/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2bb:ff:fe00:2"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:AA:00:00:00:05/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:88:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::288:ff:fe00:1",
-            "2000::101",
-            "10.0.1.1"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:AA:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:AA:00:00:00:03/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:BB:00:00:00:04/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2bb:ff:fe00:4"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:EE:00:00:00:02/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2ee:ff:fe00:2"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:99:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "10.0.3.253",
-            "fe80::299:ff:fe00:1"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:99:66:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::299:66ff:fe00:1",
-            "2000::3fd"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:EE:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2ee:ff:fe00:1"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:BB:00:00:00:01/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2bb:ff:fe00:1"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:BB:00:00:00:03/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2bb:ff:fe00:3"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:AA:00:00:00:04/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:BB:00:00:00:05/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::2bb:ff:fe00:5"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:88:00:00:00:02/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [
-            "fe80::288:ff:fe00:2",
-            "2000::601",
-            "10.0.6.1"
-          ],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:AA:00:00:00:02/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        },
-        {
-          "id": "00:DD:00:00:00:02/None",
-          "nodeType": "host",
-          "layer": "def",
-          "ips": [],
-          "props": {},
-          "configured": false
-        }
-      ]
-    ],
-    "layerOrder": [
-      "opt",
-      "pkt",
-      "def"
-    ]
-  }
-}
diff --git a/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-base-data.json b/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-base-data.json
deleted file mode 100644
index ae1b9f2..0000000
--- a/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-base-data.json
+++ /dev/null
@@ -1,380 +0,0 @@
-{
-    "event": "topo2CurrentRegion",
-    "payload": {
-        "id": "(root)",
-        "subregions": [],
-        "links": [
-            {
-                "id": "device:leaf1/1~device:spine1/1",
-                "epA": "device:leaf1/1",
-                "epB": "device:spine1/1",
-                "type": "UiDeviceLink",
-                "portA": "1",
-                "portB": "1",
-                "rollup": [
-                    {
-                        "id": "device:leaf1/1~device:spine1/1",
-                        "epA": "device:leaf1/1",
-                        "epB": "device:spine1/1",
-                        "type": "UiDeviceLink",
-                        "portA": "1",
-                        "portB": "1"
-                    }
-                ]
-            },
-            {
-                "id": "device:leaf2/2~device:spine2/2",
-                "epA": "device:leaf2/2",
-                "epB": "device:spine2/2",
-                "type": "UiDeviceLink",
-                "portA": "2",
-                "portB": "2",
-                "rollup": [
-                    {
-                        "id": "device:leaf2/2~device:spine2/2",
-                        "epA": "device:leaf2/2",
-                        "epB": "device:spine2/2",
-                        "type": "UiDeviceLink",
-                        "portA": "2",
-                        "portB": "2"
-                    }
-                ]
-            },
-            {
-                "id": "00:00:00:00:00:1A/None~device:leaf1/3",
-                "epA": "00:00:00:00:00:1A/None",
-                "epB": "device:leaf1",
-                "type": "UiEdgeLink",
-                "portB": "3",
-                "rollup": [
-                    {
-                        "id": "00:00:00:00:00:1A/None~device:leaf1/3",
-                        "epA": "00:00:00:00:00:1A/None",
-                        "epB": "device:leaf1",
-                        "type": "UiEdgeLink",
-                        "portB": "3"
-                    }
-                ]
-            },
-            {
-                "id": "00:00:00:00:00:30/None~device:leaf2/3",
-                "epA": "00:00:00:00:00:30/None",
-                "epB": "device:leaf2",
-                "type": "UiEdgeLink",
-                "portB": "3",
-                "rollup": [
-                    {
-                        "id": "00:00:00:00:00:30/None~device:leaf2/3",
-                        "epA": "00:00:00:00:00:30/None",
-                        "epB": "device:leaf2",
-                        "type": "UiEdgeLink",
-                        "portB": "3"
-                    }
-                ]
-            },
-            {
-                "id": "device:leaf1/2~device:spine2/1",
-                "epA": "device:leaf1/2",
-                "epB": "device:spine2/1",
-                "type": "UiDeviceLink",
-                "portA": "2",
-                "portB": "1",
-                "rollup": [
-                    {
-                        "id": "device:leaf1/2~device:spine2/1",
-                        "epA": "device:leaf1/2",
-                        "epB": "device:spine2/1",
-                        "type": "UiDeviceLink",
-                        "portA": "2",
-                        "portB": "1"
-                    }
-                ]
-            },
-            {
-                "id": "device:leaf2/1~device:spine1/2",
-                "epA": "device:leaf2/1",
-                "epB": "device:spine1/2",
-                "type": "UiDeviceLink",
-                "portA": "1",
-                "portB": "2",
-                "rollup": [
-                    {
-                        "id": "device:leaf2/1~device:spine1/2",
-                        "epA": "device:leaf2/1",
-                        "epB": "device:spine1/2",
-                        "type": "UiDeviceLink",
-                        "portA": "1",
-                        "portB": "2"
-                    }
-                ]
-            },
-            {
-                "id": "00:00:00:00:00:20/None~device:leaf1/6",
-                "epA": "00:00:00:00:00:20/None",
-                "epB": "device:leaf1",
-                "type": "UiEdgeLink",
-                "portB": "6",
-                "rollup": [
-                    {
-                        "id": "00:00:00:00:00:20/None~device:leaf1/6",
-                        "epA": "00:00:00:00:00:20/None",
-                        "epB": "device:leaf1",
-                        "type": "UiEdgeLink",
-                        "portB": "6"
-                    }
-                ]
-            },
-            {
-                "id": "00:00:00:00:00:1C/None~device:leaf1/5",
-                "epA": "00:00:00:00:00:1C/None",
-                "epB": "device:leaf1",
-                "type": "UiEdgeLink",
-                "portB": "5",
-                "rollup": [
-                    {
-                        "id": "00:00:00:00:00:1C/None~device:leaf1/5",
-                        "epA": "00:00:00:00:00:1C/None",
-                        "epB": "device:leaf1",
-                        "type": "UiEdgeLink",
-                        "portB": "5"
-                    }
-                ]
-            },
-            {
-                "id": "00:00:00:00:00:1B/None~device:leaf1/4",
-                "epA": "00:00:00:00:00:1B/None",
-                "epB": "device:leaf1",
-                "type": "UiEdgeLink",
-                "portB": "4",
-                "rollup": [
-                    {
-                        "id": "00:00:00:00:00:1B/None~device:leaf1/4",
-                        "epA": "00:00:00:00:00:1B/None",
-                        "epB": "device:leaf1",
-                        "type": "UiEdgeLink",
-                        "portB": "4"
-                    }
-                ]
-            }
-        ],
-        "devices": [
-            [],
-            [],
-            [
-                {
-                    "id": "device:spine1",
-                    "nodeType": "device",
-                    "type": "switch",
-                    "online": true,
-                    "master": "172.24.0.3",
-                    "layer": "def",
-                    "props": {
-                        "managementAddress": "grpc://mininet:50003?device_id=1",
-                        "protocol": "P4Runtime, gNMI, gNOI",
-                        "gridX": "400.0",
-                        "gridY": "400.0",
-                        "driver": "stratum-bmv2",
-                        "name": "device:spine1",
-                        "p4DeviceId": "1",
-                        "locType": "grid"
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 400.0,
-                        "longOrX": 400.0
-                    }
-                },
-                {
-                    "id": "device:spine2",
-                    "nodeType": "device",
-                    "type": "switch",
-                    "online": true,
-                    "master": "172.24.0.3",
-                    "layer": "def",
-                    "props": {
-                        "managementAddress": "grpc://mininet:50004?device_id=1",
-                        "protocol": "P4Runtime, gNMI, gNOI",
-                        "gridX": "600.0",
-                        "gridY": "400.0",
-                        "driver": "stratum-bmv2",
-                        "name": "device:spine2",
-                        "p4DeviceId": "1",
-                        "locType": "grid"
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 400.0,
-                        "longOrX": 600.0
-                    }
-                },
-                {
-                    "id": "device:leaf2",
-                    "nodeType": "device",
-                    "type": "switch",
-                    "online": true,
-                    "master": "172.24.0.3",
-                    "layer": "def",
-                    "props": {
-                        "managementAddress": "grpc://mininet:50002?device_id=1",
-                        "protocol": "P4Runtime, gNMI, gNOI",
-                        "gridX": "800.0",
-                        "gridY": "600.0",
-                        "driver": "stratum-bmv2",
-                        "name": "device:leaf2",
-                        "p4DeviceId": "1",
-                        "locType": "grid"
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 600.0,
-                        "longOrX": 800.0
-                    }
-                },
-                {
-                    "id": "device:leaf1",
-                    "nodeType": "device",
-                    "type": "switch",
-                    "online": true,
-                    "master": "172.24.0.3",
-                    "layer": "def",
-                    "props": {
-                        "managementAddress": "grpc://mininet:50001?device_id=1",
-                        "protocol": "P4Runtime, gNMI, gNOI",
-                        "gridX": "200.0",
-                        "gridY": "600.0",
-                        "driver": "stratum-bmv2",
-                        "name": "device:leaf1",
-                        "p4DeviceId": "1",
-                        "locType": "grid"
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 600.0,
-                        "longOrX": 200.0
-                    }
-                }
-            ]
-        ],
-        "hosts": [
-            [],
-            [],
-            [
-                {
-                    "id": "00:00:00:00:00:30/None",
-                    "nodeType": "host",
-                    "layer": "def",
-                    "ips": [
-                        "2001:2:3::1"
-                    ],
-                    "props": {
-                        "gridX": "750.0",
-                        "gridY": "700.0",
-                        "latitude": null,
-                        "name": "h3",
-                        "locType": "grid",
-                        "longitude": null
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 700.0,
-                        "longOrX": 750.0
-                    },
-                    "configured": false
-                },
-                {
-                    "id": "00:00:00:00:00:1A/None",
-                    "nodeType": "host",
-                    "layer": "def",
-                    "ips": [
-                        "2001:1:1::a"
-                    ],
-                    "props": {
-                        "gridX": "100.0",
-                        "gridY": "700.0",
-                        "latitude": null,
-                        "name": "h1a",
-                        "locType": "grid",
-                        "longitude": null
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 700.0,
-                        "longOrX": 100.0
-                    },
-                    "configured": false
-                },
-                {
-                    "id": "00:00:00:00:00:1B/None",
-                    "nodeType": "host",
-                    "layer": "def",
-                    "ips": [
-                        "2001:1:1::b"
-                    ],
-                    "props": {
-                        "gridX": "100.0",
-                        "gridY": "800.0",
-                        "latitude": null,
-                        "name": "h1b",
-                        "locType": "grid",
-                        "longitude": null
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 800.0,
-                        "longOrX": 100.0
-                    },
-                    "configured": false
-                },
-                {
-                    "id": "00:00:00:00:00:1C/None",
-                    "nodeType": "host",
-                    "layer": "def",
-                    "ips": [
-                        "2001:1:1::c"
-                    ],
-                    "props": {
-                        "gridX": "250.0",
-                        "gridY": "800.0",
-                        "latitude": null,
-                        "name": "h1c",
-                        "locType": "grid",
-                        "longitude": null
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 800.0,
-                        "longOrX": 250.0
-                    },
-                    "configured": false
-                },
-                {
-                    "id": "00:00:00:00:00:20/None",
-                    "nodeType": "host",
-                    "layer": "def",
-                    "ips": [
-                        "2001:1:2::1"
-                    ],
-                    "props": {
-                        "gridX": "400.0",
-                        "gridY": "700.0",
-                        "latitude": null,
-                        "name": "h2",
-                        "locType": "grid",
-                        "longitude": null
-                    },
-                    "location": {
-                        "locType": "grid",
-                        "latOrY": 700.0,
-                        "longOrX": 400.0
-                    },
-                    "configured": false
-                }
-            ]
-        ],
-        "layerOrder": [
-            "opt",
-            "pkt",
-            "def"
-        ]
-    }
-}
diff --git a/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-sample.json b/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-sample.json
deleted file mode 100644
index 50995c8..0000000
--- a/web/gui2-topo-lib/lib/layer/forcesvg/tests/topo2Highlights-sample.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "event": "topo2Highlights",
-  "payload": {
-    "devices": [],
-    "hosts": [],
-    "links": [
-      {
-        "id": "device:leaf2/2~device:spine2/2",
-        "label": "964.91 Kbps",
-        "css": "secondary port-traffic-green"
-      },
-      {
-        "id": "device:leaf1/1~device:spine1/1",
-        "label": "3.92 Mbps",
-        "css": "secondary port-traffic-yellow"
-      },
-      {
-        "id": "00:00:00:00:00:30/None~device:leaf2/3",
-        "label": "4.46 Mbps",
-        "css": "secondary port-traffic-yellow"
-      },
-      {
-        "id": "device:leaf2/1~device:spine1/2",
-        "label": "3.53 Mbps",
-        "css": "secondary port-traffic-yellow"
-      },
-      {
-        "id": "device:leaf1/2~device:spine2/1",
-        "label": "1.06 Mbps",
-        "css": "secondary port-traffic-yellow"
-      },
-      {
-        "id": "00:00:00:00:00:20/None~device:leaf1/6",
-        "label": "4.98 Mbps",
-        "css": "secondary port-traffic-yellow"
-      }
-    ]
-  }
-}