diff --git a/configuration/renci_testbed/renci_ben.manifest b/configuration/renci_testbed/renci_ben.manifest
index 30a2109b..503eb1e0 100644
--- a/configuration/renci_testbed/renci_ben.manifest
+++ b/configuration/renci_testbed/renci_ben.manifest
@@ -59,7 +59,8 @@
       "lcip": "10.14.11.1",
       "internalconfig": {
         "ryucxninternalport": 55781,
-        "openflowport": 6681
+        "openflowport": 6681,
+	"backuplcswitch": "dukes1"
       },
       "switchinfo": [
         {
@@ -166,7 +167,8 @@
       "lcip": "10.14.11.2",
       "internalconfig": {
         "ryucxninternalport": 55782,
-        "openflowport": 6682
+        "openflowport": 6682,
+	"backuplcswitch": "rencis1"
       },
       "switchinfo": [
         { 
@@ -228,7 +230,8 @@
       "lcip": "10.14.11.3",
       "internalconfig": {
         "ryucxninternalport": 55783,
-        "openflowport": 6683
+        "openflowport": 6683,
+	"backuplcswitch": "ncsus1"
       },
       "switchinfo": [
         { 
@@ -268,7 +271,9 @@
             "corsaratelimitbridgel2mp": "br19",
             "corsaratelimitportsl2mp": [7,8],
             "managementvlan":1411,
-            "managementvlanports":[1,11]
+            "managementvlanports":[1,11],
+	    "managementvlanbackupports":[1, 2, 11],
+            "sdxmanagementvlanbackupports":[1, 2, 11]
           }
         }
       ],
@@ -285,7 +290,8 @@
       "lcip": "10.14.11.4",
       "internalconfig": {
         "ryucxninternalport": 55784,
-        "openflowport": 6684
+        "openflowport": 6684,
+	"backuplc": "uncs1"
       },
       "switchinfo": [
         { 
@@ -325,7 +331,8 @@
             "corsaratelimitbridgel2mp": "br19",
             "corsaratelimitportsl2mp": [7,8],
             "managementvlan":1411,
-            "managementvlanports":[1,11]
+            "managementvlanports":[1,11],
+	    "managementvlanbackupports":[2, 11]
           }
         }
       ],