diff --git a/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.params b/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.params
index 95a75d7..6699caf 100644
--- a/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.params
+++ b/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.params
@@ -56,6 +56,11 @@
         <LinkDiscovery>.2</LinkDiscovery>
         <SwitchDiscovery>.2</SwitchDiscovery>
     </timers>
+    <kill>
+        <switch> s5 </switch>
+        <dpid> 0000000000005000 </dpid>
+        <links> h5 s2 s1 s6 </links>
+    </kill>
     <MNtcpdump>
         <intf>eth0</intf>
         <port> </port>