diff --git a/TestON/tests/USECASE/SegmentRouting/SRLinkFailure/SRLinkFailure.py b/TestON/tests/USECASE/SegmentRouting/SRLinkFailure/SRLinkFailure.py
new file mode 100755
index 0000000..025384e
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SRLinkFailure/SRLinkFailure.py
@@ -0,0 +1,144 @@
+#In this test we perform a link failure and then test for connectivity
+#CASE1: 2x2 topo + link failure + IP connectivity test
+#CASE2: 4x4 topo + link failure + IP connectivity test
+#CASE4: 2x2 topo + 3-node ONOS CLUSTER + link failure + IP connectivity test
+#CASE5: 4x4 topo + 3-node ONOS CLUSTER + link failure + IP connectivity test
+
+class SRLinkFailure:
+
+    def __init__( self ):
+        self.default = ''
+
+    def CASE1( self, main ):
+        """
+        Sets up 1-node Onos-cluster
+        Start 2x2 Leaf-Spine topology
+        Pingall
+        Cause link failure
+        Pingall
+        """
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+        if not hasattr( main,'apps' ):
+            run.initTest( main )
+
+        description = "Bridging and Routing sanity test with 2x2 Leaf-spine "
+        main.case( description )
+
+        main.cfgName = '2x2'
+        main.numCtrls = 1
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py' )
+        #pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=116 )
+        run.pingAll( main )
+        #link failure
+        run.killLink( main, 'spine101', 'leaf2', switches='4', links='6' )
+        run.pingAll( main, "CASE1_Failure" )
+        run.restoreLink( main, 'spine101', 'leaf2','of:0000000000000101',
+                        'of:0000000000000002', '2', '1', '4', '8' )
+        run.pingAll( main, "CASE1_Recovery" )
+        #TODO Dynamic config of hosts in subnet
+        #TODO Dynamic config of host not in subnet
+        #TODO Dynamic config of vlan xconnect
+        #TODO Vrouter integration
+        #TODO Mcast integration
+        run.cleanup( main )
+
+    def CASE2( self, main ):
+        """
+        Sets up 1-node Onos-cluster
+        Start 4x4 Leaf-Spine topology
+        Pingall
+        Cause link failure
+        Pingall
+        """
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+        if not hasattr( main,'apps' ):
+            run.initTest( main )
+        description = "Bridging and Routing sanity test with 4x4 Leaf-spine "
+        main.case( description )
+        main.cfgName = '4x4'
+        main.numCtrls = 1
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
+        #pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=350 )
+        run.pingAll( main )
+        #link failure
+        run.killLink( main, 'spine101', 'leaf2', switches='8', links='30' )
+        run.pingAll( main, "CASE2_Failure" )
+        run.restoreLink( main, 'spine101', 'leaf2','of:0000000000000101',
+                    'of:0000000000000002', '2', '1', '8', '32' )
+        run.pingAll( main, "CASE2_Recovery" )
+        #TODO Dynamic config of hosts in subnet
+        #TODO Dynamic config of host not in subnet
+        #TODO preconfigured xconnect
+        #TODO Vrouter integration
+        #TODO Mcast integration
+        run.cleanup( main )
+
+    def CASE4( self, main ):
+        """
+        Sets up 3-node Onos-cluster
+        Start 2x2 Leaf-Spine topology
+        Pingall
+        Cause link failure
+        Pingall
+        """
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+        if not hasattr( main,'apps' ):
+            run.initTest( main )
+        description = "Bridging and Routing sanity test with 2x2 Leaf-spine "
+        main.case( description )
+        main.cfgName = '2x2'
+        main.numCtrls = 3
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py' )
+        #pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=116 )
+        run.pingAll( main )
+        #link failure
+        run.killLink( main, 'spine101', 'leaf2', switches='4', links='6' )
+        run.pingAll( main, "CASE3_Failure" )
+        run.restoreLink( main, 'spine101', 'leaf2','of:0000000000000101',
+                        'of:0000000000000002', '2', '1', '4', '8' )
+        run.pingAll( main, "CASE3_Recovery" )
+        #TODO Dynamic config of hosts in subnet
+        #TODO Dynamic config of host not in subnet
+        #TODO Dynamic config of vlan xconnect
+        #TODO Vrouter integration
+        #TODO Mcast integration
+        run.cleanup( main )
+
+    def CASE5( self, main ):
+        """
+        Sets up 1-node Onos-cluster
+        Start 4x4 Leaf-Spine topology
+        Pingall
+        Cause link failure
+        Pingall
+        """
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+        if not hasattr( main,'apps' ):
+            run.initTest( main )
+        description = "Bridging and Routing sanity test with 4x4 Leaf-spine "
+        main.case( description )
+        main.cfgName = '4x4'
+        main.numCtrls = 3
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
+        #pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=350 )
+        run.pingAll( main )
+        #link failure
+        run.killLink( main, 'spine101', 'leaf2', switches='8', links='30' )
+        run.pingAll( main, "CASE2_Failure" )
+        run.restoreLink( main, 'spine101', 'leaf2','of:0000000000000101',
+                        'of:0000000000000002', '2', '1', '8', '32' )
+        run.pingAll( main, "CASE2_Recovery" )
+        #TODO Dynamic config of hosts in subnet
+        #TODO Dynamic config of host not in subnet
+        #TODO preconfigured xconnect
+        #TODO Vrouter integration
+        #TODO Mcast integration
+        run.cleanup( main )