diff --git a/TestON/tests/USECASE/SegmentRouting/dependencies/trellis_fabric.py b/TestON/tests/USECASE/SegmentRouting/dependencies/trellis_fabric.py
index d1058ab..73bfda3 100644
--- a/TestON/tests/USECASE/SegmentRouting/dependencies/trellis_fabric.py
+++ b/TestON/tests/USECASE/SegmentRouting/dependencies/trellis_fabric.py
@@ -165,7 +165,7 @@
         self.addLink(cs0, nat)
 
         # Internal Quagga bgp1
-        intfs = {'bgp1-eth0': {'ipAddrs': ['10.0.1.2/24', '2000::102/120'], 'mac': '00:88:00:00:00:02'},
+        intfs = {'bgp1-eth0': {'ipAddrs': ['10.0.1.2/24', '2000::102/120'], 'mac': '00:88:00:00:00:03'},
                  'bgp1-eth1': {'ipAddrs': ['172.16.0.2/12']}}
         bgp1 = self.addHost('bgp1', cls=BgpRouter,
                             interfaces=intfs,