diff --git a/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
index 9344021..dddc584 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
@@ -18,7 +18,7 @@
                                ipv4=1,
                                ipv6=0,
                                countFlowsGroups=False,
-                               description="Ping between all ipv4 hosts in the topology")
+                               description="Ping between all ipv4 hosts in the topology" )
 
     def CASE2( self, main ):
         """
@@ -35,7 +35,7 @@
                                ipv4=0,
                                ipv6=1,
                                countFlowsGroups=False,
-                               description="Ping between all ipv6 hosts in the topology")
+                               description="Ping between all ipv6 hosts in the topology" )
 
     def CASE3( self, main ):
         """
@@ -52,7 +52,7 @@
                                ipv4=1,
                                ipv6=1,
                                countFlowsGroups=False,
-                               description="Ping between all ipv4 and ipv6 hosts in the topology")
+                               description="Ping between all ipv4 and ipv6 hosts in the topology" )
 
     def CASE4( self, main ):
         """
@@ -70,7 +70,7 @@
                                ipv6=0,
                                description="Ping between all ipv4 hosts in the topology and check connectivity to external hosts",
                                checkExternalHost=True,
-                               countFlowsGroups=False)
+                               countFlowsGroups=False )
 
     def CASE5( self, main ):
         """
@@ -88,7 +88,7 @@
                                ipv6=1,
                                description="Ping between all ipv6 hosts in the topology and check connectivity to external hosts",
                                checkExternalHost=True,
-                               countFlowsGroups=False)
+                               countFlowsGroups=False )
 
     def CASE6( self, main ):
         """
@@ -106,7 +106,7 @@
                                ipv6=1,
                                description="Ping between all ipv4 and ipv6 hosts in the topology and check connectivity to external hosts",
                                checkExternalHost=True,
-                               countFlowsGroups=False)
+                               countFlowsGroups=False )
 
     def CASE7( self, main ):
         """
@@ -127,7 +127,7 @@
                                description="Ping between from ipv4 hosts to external host configured with route-add command.",
                                checkExternalHost=False,
                                countFlowsGroups=False,
-                               staticRouteConfigure=True)
+                               staticRouteConfigure=True )
 
     def CASE8( self, main ):
         """
@@ -148,7 +148,7 @@
                                description="Ping between from ipv6 hosts to external host configured with route-add command.",
                                checkExternalHost=False,
                                countFlowsGroups=False,
-                               staticRouteConfigure=True)
+                               staticRouteConfigure=True )
 
     def CASE9( self, main ):
         """
@@ -169,4 +169,184 @@
                                description="Ping between from ipv4 and ipv6 hosts to external hosts configured with route-add command.",
                                checkExternalHost=False,
                                countFlowsGroups=False,
-                               staticRouteConfigure=True)
+                               staticRouteConfigure=True )
+
+    def CASE201( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv4 hosts in the topology.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=201,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=0,
+                               countFlowsGroups=False,
+                               description="Test switch failures with IPv4 hosts",
+                               switchFailure=True )
+
+    def CASE202( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv6 hosts in the topology.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=202,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=0,
+                               ipv6=1,
+                               countFlowsGroups=False,
+                               description="Test switch failures with IPv6 hosts",
+                               switchFailure=True )
+
+    def CASE203( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv4 and ipv6 hosts in the topology.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=203,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=1,
+                               countFlowsGroups=False,
+                               description="Test switch failures with IPv4 and IPv6 hosts",
+                               switchFailure=True )
+
+    def CASE204( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv4 hosts in the topology and check connectivity to external ipv4 hosts
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=204,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=0,
+                               description="Test switch failures with IPv4 hosts (including external hosts)",
+                               checkExternalHost=True,
+                               switchFailure=True )
+
+    def CASE205( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv6 hosts in the topology and check connectivity to external ipv6 hosts
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=205,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=0,
+                               ipv6=1,
+                               description="Test switch failures with IPv6 hosts (including external hosts)",
+                               checkExternalHost=True,
+                               switchFailure=True )
+
+    def CASE206( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between all ipv4 and ipv6 hosts in the topology and check connectivity to external ipv4 and ipv6 hosts
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=206,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=1,
+                               description="Test switch failures with IPv4 and IPv6 hosts (including external hosts)",
+                               checkExternalHost=True,
+                               switchFailure=True )
+
+    def CASE207( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between ipv4 hosts and an external host that is not configured in
+        external router config, but reachable through the use of route-add command.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=207,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=0,
+                               description="Test switch failures with IPv4 hosts (including external host configured with route-add command)",
+                               checkExternalHost=False,
+                               countFlowsGroups=False,
+                               staticRouteConfigure=True,
+                               switchFailure=True )
+
+    def CASE208( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between ipv6 hosts and an external host that is not configured in
+        external router config, but reachable through the use of route-add command.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=208,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=0,
+                               ipv6=1,
+                               description="Test switch failures with IPv6 hosts (including external host configured with route-add command)",
+                               checkExternalHost=False,
+                               countFlowsGroups=False,
+                               staticRouteConfigure=True,
+                               switchFailure=True )
+
+    def CASE209( self, main ):
+        """
+        Kill and recover spine switches
+        Ping between ipv4 and pv6 hosts and external hosts that is not configured in
+        external router config, but reachable through the use of route-add command.
+        """
+
+        from tests.USECASE.SegmentRouting.SRRouting.dependencies.SRRoutingTest import SRRoutingTest
+
+        SRRoutingTest.runTest( main,
+                               test_idx=209,
+                               onosNodes=3,
+                               dhcp=1,
+                               routers=1,
+                               ipv4=1,
+                               ipv6=1,
+                               description="Test switch failures with IPv4 and IPv6 hosts (including external host configured with route-add command)",
+                               checkExternalHost=False,
+                               countFlowsGroups=False,
+                               staticRouteConfigure=True,
+                               switchFailure=True )