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>