diff --git a/TestON/tests/USECASE/SegmentRouting/SRDynamic/dependencies/SRDynamicFuncs.py b/TestON/tests/USECASE/SegmentRouting/SRDynamic/dependencies/SRDynamicFuncs.py
new file mode 100644
index 0000000..e4390de
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+++ b/TestON/tests/USECASE/SegmentRouting/SRDynamic/dependencies/SRDynamicFuncs.py
@@ -0,0 +1,78 @@
+"""
+Copyright 2017 Open Networking Foundation ( ONF )
+
+Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
+the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
+or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg>
+
+    TestON is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    ( at your option ) any later version.
+
+    TestON is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with TestON.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+import random
+from random import randint
+from datetime import datetime
+
+class SRDynamicFuncs():
+
+    def __init__( self ):
+        self.default = ''
+        self.topo = dict()
+        self.topo[ '0x1' ] = ( 0, 1, '--leaf=1 --spine=0', 'single switch' )
+        self.topo[ '2x2' ] = ( 2, 2, '', '2x2 Leaf-spine' )
+        self.topo[ '4x4' ] = ( 4, 4, '--leaf=4 --spine=4', '4x4 Leaf-spine' )
+
+    def runTest( self, main, caseNum, numNodes, Topo, minBeforeFlow, minAfterFlow, killOnosAndDeleteCfg ):
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+
+        description = "Bridging and Routing sanity test with " + \
+                      self.topo[ Topo ][ 3 ] + \
+                      "and {} nodes.".format( numNodes ) + \
+                      ( "\nAlso, killing the first Onos and removing the host cfg." if killOnosAndDeleteCfg else "" )
+        main.case( description )
+
+        main.cfgName = Topo
+        main.Cluster.setRunningNode( numNodes )
+        run.installOnos( main )
+        run.loadJson( main )
+        run.loadChart( main )
+        run.startMininet( main, 'cord_fabric.py',
+                          args=self.topo[ Topo ][ 2 ] )
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=minBeforeFlow )
+        run.pingAll( main, dumpflows=False )
+        run.addHostCfg( main )
+        run.checkFlows( main, minFlowCount=minAfterFlow, dumpflows=False )
+        run.pingAll( main )
+        if killOnosAndDeleteCfg:
+            switch = self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ]
+            link = ( self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ] ) * self.topo[ Topo ][ 0 ]
+            self.killAndDelete( main, caseNum, numNodes, minBeforeFlow, switch, link )
+        # 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
+        if hasattr( main, 'Mininet1' ):
+            run.cleanup( main )
+        else:
+            # TODO: disconnect TestON from the physical network
+            pass
+
+    def killAndDelete( self, main, caseNum, numNodes, minBeforeFlow, switch, link ):
+        run.killOnos( main, [ 0 ], '{}'.format( switch ), '{}'.format( link ), '{}'.format( numNodes - 1 ) )
+        run.delHostCfg( main )
+        run.checkFlows( main, minFlowCount=minBeforeFlow, dumpflows=False )
+        run.pingAll( main, "CASE{}_After".format( caseNum ) )