diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x1.physical b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x1.physical
index 2e2fb6f..d103eae 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x1.physical
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x1.physical
@@ -39,7 +39,7 @@
         </SwitchLeaf1>
 
         <Host1>
-            <host>OCN</host>
+            <host>10.128.13.253</host>
             <user>sdn</user>
             <password>rocks</password>
             <type>HostDriver</type>
@@ -64,7 +64,7 @@
         </Host1>
 
         <Host2>
-            <host>OCN</host>
+            <host>10.128.13.253</host>
             <user>sdn</user>
             <password>rocks</password>
             <type>HostDriver</type>
@@ -89,7 +89,7 @@
         </Host2>
 
         <NetworkBench>
-            <host>OCN</host>
+            <host>10.128.13.253</host>
             <user>sdn</user>
             <password>rocks</password>
             <type>NetworkDriver</type>