diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
index 09d8b19..0fbda47 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.params
@@ -1,4 +1,5 @@
 <PARAMS>
+    # Sample testcase for physical network: 7
     <testcases>5,6,7,8,15,16,17,18,25,26,27,28,35,36,37,38,45,46,47,48,55,56,57,58,65,66,67,68,75,76,77,78</testcases>
 
     <GRAPH>
diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.physical b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.physical
new file mode 100644
index 0000000..4605185
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.physical
@@ -0,0 +1,158 @@
+<TOPOLOGY>
+    <COMPONENT>
+        <ONOScell>
+            <host>localhost</host>  # ONOS "bench" machine
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>OnosClusterDriver</type>
+            <connect_order>1</connect_order>
+            <COMPONENTS>
+                <cluster_name></cluster_name>  # Used as a prefix for cluster components. Defaults to 'ONOS'
+                <diff_clihost></diff_clihost> # if it has different host other than localhost for CLI. True or empty. OC# will be used if True.
+                <karaf_username></karaf_username>
+                <karaf_password></karaf_password>
+                <web_user></web_user>
+                <web_pass></web_pass>
+                <rest_port></rest_port>
+                <prompt></prompt>  # TODO: we technically need a few of these, one per component
+                <onos_home></onos_home>  # defines where onos home is
+                <nodes>3</nodes>  # number of nodes in the cluster
+            </COMPONENTS>
+        </ONOScell>
+
+        <MininetSwitchLeaf1>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetSwitchDriver</type>
+            <connect_order>2</connect_order>
+            <COMPONENTS>
+                <shortName>leaf1</shortName>
+                <port1>1</port1>
+                <link1>MininetSwitchSpine101</link1>
+                <port2>2</port2>
+                <link2>MininetSwitchSpine102</link2>
+                <port3>3</port3>
+                <link3>MininetHost1</link3>
+                <port4>4</port4>
+                <link4>MininetHost2</link4>
+            </COMPONENTS>
+        </MininetSwitchLeaf1>
+
+        <MininetSwitchLeaf2>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetSwitchDriver</type>
+            <connect_order>3</connect_order>
+            <COMPONENTS>
+                <shortName>leaf2</shortName>
+                <port1>1</port1>
+                <link1>MininetSwitchSpine101</link1>
+                <port2>2</port2>
+                <link2>MininetSwitchSpine102</link2>
+                <port3>3</port3>
+                <link3>MininetHost3</link3>
+                <port4>4</port4>
+                <link4>MininetHost4</link4>
+            </COMPONENTS>
+        </MininetSwitchLeaf2>
+
+        <MininetSwitchSpine101>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetSwitchDriver</type>
+            <connect_order>4</connect_order>
+            <COMPONENTS>
+                <shortName>spine101</shortName>
+                <port1>1</port1>
+                <link1>MininetSwitchLeaf1</link1>
+                <port2>2</port2>
+                <link2>MininetSwitchLeaf2</link2>
+            </COMPONENTS>
+        </MininetSwitchSpine101>
+
+        <MininetSwitchSpine102>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetSwitchDriver</type>
+            <connect_order>5</connect_order>
+            <COMPONENTS>
+                <shortName>spine102</shortName>
+                <port1>1</port1>
+                <link1>MininetSwitchLeaf1</link1>
+                <port2>2</port2>
+                <link2>MininetSwitchLeaf2</link2>
+            </COMPONENTS>
+        </MininetSwitchSpine102>
+
+        <MininetHost1>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetHostDriver</type>
+            <connect_order>6</connect_order>
+            <COMPONENTS>
+                <ip>10.0.2.1</ip>
+                <shortName>h1</shortName>
+                <port1>0</port1>
+                <link1>MininetSwitchLeaf1</link1>
+            </COMPONENTS>
+        </MininetHost1>
+
+        <MininetHost2>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetHostDriver</type>
+            <connect_order>7</connect_order>
+            <COMPONENTS>
+                <ip>10.0.2.2</ip>
+                <shortName>h2</shortName>
+                <port1>0</port1>
+                <link1>MininetSwitchLeaf1</link1>
+            </COMPONENTS>
+        </MininetHost2>
+
+        <MininetHost3>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetHostDriver</type>
+            <connect_order>8</connect_order>
+            <COMPONENTS>
+                <ip>10.0.3.1</ip>
+                <shortName>h3</shortName>
+                <port1>0</port1>
+                <link1>MininetSwitchLeaf2</link1>
+            </COMPONENTS>
+        </MininetHost3>
+
+        <MininetHost4>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>MininetHostDriver</type>
+            <connect_order>9</connect_order>
+            <COMPONENTS>
+                <ip>10.0.3.2</ip>
+                <shortName>h4</shortName>
+                <port1>0</port1>
+                <link1>MininetSwitchLeaf2</link1>
+            </COMPONENTS>
+        </MininetHost4>
+
+        <NetworkBench>
+            <host>OCN</host>
+            <user>sdn</user>
+            <password>rocks</password>
+            <type>NetworkDriver</type>
+            <connect_order>10</connect_order>
+            <COMPONENTS>
+            </COMPONENTS>
+        </NetworkBench>
+
+    </COMPONENT>
+</TOPOLOGY>
diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/dependencies/SRBridgingTest.py b/TestON/tests/USECASE/SegmentRouting/SRBridging/dependencies/SRBridgingTest.py
index 6b869c1..fa496dd 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRBridging/dependencies/SRBridgingTest.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/dependencies/SRBridgingTest.py
@@ -36,6 +36,8 @@
         # TODO: Implement 2x3 topology
         # topo[ '2x3' ] = ( 2, 3, True, '2x3 leaf-spine topology with dual ToR and single ToR', 28 )
         topo[ '2x4' ] = ( 2, 4, True, '2x4 dual-homed leaf-spine topology', 53 )
+        switchNames = {}
+        switchNames[ '2x2' ] = [ "leaf1", "leaf2", "spine101", "spine102" ]
 
         skipPackage = False
         init = False
@@ -64,8 +66,7 @@
             run.startMininet( main, 'trellis_fabric.py', args=mininet_args )
         else:
             # Run the test with physical devices
-            # TODO: connect TestON to the physical network
-            pass
+            run.connectToPhysicalNetwork( main, switchNames[ topology ] )
 
         run.checkFlows( main, minFlowCount=topo[ topology ][ 4 ] * topo[ topology ][ 1 ], sleep=5 )
         leaf_dpid = [ "of:%016d" % ( ls + 1 ) for ls in range( topo[ topology ][ 1 ] ) ]
diff --git a/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py b/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
index c912ea2..8d929ad 100644
--- a/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
+++ b/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
@@ -158,6 +158,30 @@
             main.cleanAndExit()
 
     @staticmethod
+    def connectToPhysicalNetwork( main, switchNames ):
+        main.step( "Connecting to physical netowrk" )
+        topoResult = main.NetworkBench.connectToNet()
+        stepResult = topoResult
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=stepResult,
+                                 onpass="Successfully loaded topology",
+                                 onfail="Failed to load topology" )
+        # Exit if topology did not load properly
+        if not topoResult:
+            main.cleanAndExit()
+
+        main.step( "Assign switches to controllers." )
+        assignResult = main.TRUE
+        for name in switchNames:
+            assignResult = assignResult & main.NetworkBench.assignSwController( sw=name,
+                                                                                ip=main.Cluster.getIps(),
+                                                                                port='6653' )
+        utilities.assert_equals( expect=main.TRUE,
+                                 actual=stepResult,
+                                 onpass="Successfully assign switches to controllers",
+                                 onfail="Failed to assign switches to controllers" )
+
+    @staticmethod
     def config( main, cfgName ):
         main.spines = []