diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.spec.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.spec.ts
index b4d579d..c7b6c15 100644
--- a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.spec.ts
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.spec.ts
@@ -50,6 +50,7 @@
 import {DeviceNodeSvgComponent} from '../layer/forcesvg/visuals/devicenodesvg/devicenodesvg.component';
 import {SubRegionNodeSvgComponent} from '../layer/forcesvg/visuals/subregionnodesvg/subregionnodesvg.component';
 import {HostNodeSvgComponent} from '../layer/forcesvg/visuals/hostnodesvg/hostnodesvg.component';
+import {LayoutService} from '../layout.service';
 
 
 class MockActivatedRoute extends ActivatedRoute {
@@ -105,6 +106,8 @@
 
 class MockTrafficService {}
 
+class MockLayoutService {}
+
 class MockPrefsService {
     listeners: ((data) => void)[] = [];
 
@@ -200,6 +203,7 @@
                 { provide: HttpClient, useClass: MockHttpClient },
                 { provide: TopologyService, useClass: MockTopologyService },
                 { provide: TrafficService, useClass: MockTrafficService },
+                { provide: LayoutService, useClass: MockLayoutService },
                 { provide: IconService, useClass: MockIconService },
                 { provide: PrefsService, useClass: MockPrefsService },
                 { provide: KeysService, useClass: MockKeysService },
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.ts
index d7055a4..9f2a08b 100644
--- a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.ts
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/topology/topology.component.ts
@@ -22,14 +22,17 @@
 } from '@angular/core';
 import * as d3 from 'd3';
 import {
-    FnService, IconService,
+    FnService,
+    IconService,
     KeysService,
-    KeysToken, LionService,
+    KeysToken,
+    LionService,
     LogService,
     PrefsService,
     SvgUtilService,
+    TopoZoomPrefs,
     WebSocketService,
-    TopoZoomPrefs, ZoomUtils
+    ZoomUtils
 } from 'gui2-fw-lib';
 import {InstanceComponent} from '../panel/instance/instance.component';
 import {DetailsComponent} from '../panel/details/details.component';
@@ -43,15 +46,29 @@
     UiElement
 } from '../layer/forcesvg/models';
 import {
-    INSTANCE_TOGGLE, SUMMARY_TOGGLE, DETAILS_TOGGLE,
-    HOSTS_TOGGLE, OFFLINE_TOGGLE, PORTS_TOGGLE,
-    BKGRND_TOGGLE, CYCLELABELS_BTN, CYCLEHOSTLABEL_BTN,
-    CYCLEGRIDDISPLAY_BTN, RESETZOOM_BTN, EQMASTER_BTN,
-    CANCEL_TRAFFIC, ALL_TRAFFIC, QUICKHELP_BTN, BKGRND_SELECT
+    ALL_TRAFFIC,
+    BKGRND_SELECT,
+    BKGRND_TOGGLE,
+    CANCEL_TRAFFIC,
+    CYCLEGRIDDISPLAY_BTN,
+    CYCLEHOSTLABEL_BTN,
+    CYCLELABELS_BTN,
+    DETAILS_TOGGLE,
+    EQMASTER_BTN,
+    HOSTS_TOGGLE,
+    INSTANCE_TOGGLE,
+    LAYOUT_ACCESS_BTN,
+    LAYOUT_DEFAULT_BTN,
+    OFFLINE_TOGGLE,
+    PORTS_TOGGLE,
+    QUICKHELP_BTN,
+    RESETZOOM_BTN,
+    SUMMARY_TOGGLE
 } from '../panel/toolbar/toolbar.component';
 import {TrafficService} from '../traffic.service';
 import {ZoomableDirective} from '../layer/zoomable.directive';
 import {MapObject} from '../layer/maputils';
+import {LayoutService, LayoutType} from '../layout.service';
 
 const TOPO2_PREFS = 'topo2_prefs';
 const TOPO_MAPID_PREFS = 'topo_mapid';
@@ -165,6 +182,7 @@
         protected trs: TrafficService,
         protected is: IconService,
         private lion: LionService,
+        private layout: LayoutService,
         @Inject('Window') public window: any,
     ) {
         if (this.lion.ubercache.length === 0) {
@@ -199,6 +217,8 @@
         this.is.loadIconDef('groupTable');
         this.is.loadIconDef('meterTable');
         this.is.loadIconDef('triangleUp');
+        this.is.loadIconDef('m_disjointPaths');
+        this.is.loadIconDef('m_fiberSwitch');
         this.log.debug('Topology component constructed');
     }
 
@@ -350,6 +370,12 @@
             case QUICKHELP_BTN:
                 this.ks.quickHelpShown = true;
                 break;
+            case LAYOUT_DEFAULT_BTN:
+                this.layout.changeLayout(LayoutType.LAYOUT_DEFAULT);
+                break;
+            case LAYOUT_ACCESS_BTN:
+                this.layout.changeLayout(LayoutType.LAYOUT_ACCESS);
+                break;
             default:
                 this.log.warn('Unhandled Toolbar action', name);
         }