Add DHCPv6 to trellis script

Change-Id: Idbebc1597c41eb942894d0c3b9a260e9dfa14bfc
diff --git a/trellis/trellis.json b/trellis/trellis.json
index 1b4a5cd..e0aa174 100644
--- a/trellis/trellis.json
+++ b/trellis/trellis.json
@@ -67,7 +67,7 @@
         "of:0000000000000205/7" : {
             "interfaces" : [
                 {
-                    "ips" : [ "10.0.3.254/24" ],
+                    "ips" : [ "10.0.3.254/24", "2000::3ff/120" ],
                     "vlan-untagged": 30
                 }
             ]
@@ -155,38 +155,12 @@
             }
         }
     },
-    "hosts": {
-        "00:bb:00:00:00:01/None": {
-            "basic": {
-                "ips": ["2000::201"],
-                "locations": ["of:0000000000000204/5"]
-            }
-        },
-        "00:bb:00:00:00:02/None": {
-            "basic": {
-                "ips": ["2000::202"],
-                "locations": ["of:0000000000000204/6"]
-            }
-        },
-        "00:bb:00:00:00:03/None": {
-            "basic": {
-                "ips": ["2000::301"],
-                "locations": ["of:0000000000000205/5"]
-            }
-        },
-        "00:bb:00:00:00:04/None": {
-            "basic": {
-                "ips": ["2000::302"],
-                "locations": ["of:0000000000000205/6"]
-            }
-        }
-    },
     "apps" : {
         "org.onosproject.dhcprelay" : {
             "default": [
                 {
                     "dhcpServerConnectPoint": "of:0000000000000205/7",
-                    "serverIps": ["10.0.3.253"]
+                    "serverIps": ["10.0.3.253", "2000::3fd"]
                 }
             ]
         }