diff --git a/TestON/drivers/common/cli/onosdriver.py b/TestON/drivers/common/cli/onosdriver.py
index f96a60e..90255f8 100644
--- a/TestON/drivers/common/cli/onosdriver.py
+++ b/TestON/drivers/common/cli/onosdriver.py
@@ -685,6 +685,47 @@
             main.cleanup()
             main.exit()
 
+    def onosCfgSet( self, ONOSIp, configName, configParam ):
+        """
+        Uses 'onos <node-ip> cfg set' to change a parameter value of an
+        application. 
+        
+        ex)
+            onos 10.0.0.1 cfg set org.onosproject.myapp appSetting 1
+
+        ONOSIp = '10.0.0.1'
+        configName = 'org.onosproject.myapp'
+        configParam = 'appSetting 1'
+
+        """
+        try:
+            cfgStr = ( "onos "+str(ONOSIp)+" cfg set "+
+                       str(configName) + " " +
+                       str(configParam)
+                     )
+
+            self.handle.sendline( "" )
+            self.handle.expect( "\$" )
+            self.handle.sendline( cfgStr )
+            self.handle.expect( "\$" )
+        
+            # TODO: Add meaningful assertion
+            
+            return main.TRUE
+
+        except pexpect.ExceptionPexpect as e:
+            main.log.error( self.name + ": Pexpect exception found of type " +
+                            str( type( e ) ) )
+            main.log.error ( e.get_trace() )
+            main.log.error( self.name + ":    " + self.handle.before )
+            main.cleanup()
+            main.exit()
+        except Exception:
+            main.log.exception( self.name + ": Uncaught exception!" )
+            main.cleanup()
+            main.exit()
+
+
     def onosCli( self, ONOSIp, cmdstr ):
         """
         Uses 'onos' command to send various ONOS CLI arguments.
@@ -1294,13 +1335,14 @@
             main.cleanup()
             main.exit()
 
-    def tsharkGrep( self, grep, directory, interface='eth0' ):
+    def tsharkGrep( self, grep, directory, interface='eth0', grepOptions='' ):
         """
         Required:
             * grep string
             * directory to store results
         Optional:
             * interface - default: eth0
+            * grepOptions - options for grep 
         Description:
             Uses tshark command to grep specific group of packets
             and stores the results to specified directory.
@@ -1310,10 +1352,16 @@
             self.handle.sendline( "" )
             self.handle.expect( "\$" )
             self.handle.sendline( "" )
+            if grepOptions:
+                grepStr = "grep "+str(grepOptions)
+            else:
+                grepStr = "grep"
+            
             self.handle.sendline(
                 "tshark -i " +
                 str( interface ) +
-                " -t e | grep --line-buffered \"" +
+                " -t e | " +
+                grepStr + " --line-buffered \"" +
                 str(grep) +
                 "\" >" +
                 directory +