diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index 4861e05..a04309e 100644
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -615,4 +615,13 @@
                 elif i == 3:
                     main.log.error("TIMEOUT!")
                     return main.FALSE
-        
+
+    def tcpdump(self):
+        self.handle.sendline("")
+        self.handle.expect("\$")
+        self.handle.sendline("sudo tcpdump -n -i eth0 -s0 -w onos-logs/tcpdump &")
+  
+    def kill_tcpdump(self):
+        self.handle.sendline("")
+        self.handle.expect("\$")
+        self.handle.sendline("sudo kill -9 `ps -ef | grep \"tcpdump -n\" | grep -v grep | awk '{print $2}'`")