diff --git a/GIT-VIRL-HS-Fulda/advcompnet-lab2-dcn-fabricpath.virl b/GIT-VIRL-HS-Fulda/advcompnet-lab2-dcn-fabricpath.virl
index 4990538..c8290f3 100644
--- a/GIT-VIRL-HS-Fulda/advcompnet-lab2-dcn-fabricpath.virl
+++ b/GIT-VIRL-HS-Fulda/advcompnet-lab2-dcn-fabricpath.virl
@@ -4834,16 +4834,32 @@ router bgp 1
         <interface id="2" name="Ethernet2/3"/>
     </node>
     <node name="lxc-iperf-1" type="SIMPLE" subtype="lxc-iperf" location="204,337">
-        <interface id="0" name="eth1" ipv4="192.168.100.1" netPrefixLenV4="24"/>
+        <interface id="0" name="eth1" ipv4="192.168.100.1" netPrefixLenV4="24">
+            <extensions>
+                <entry key="AutoNetkit.vlan" type="Integer">10</entry>
+            </extensions>
+        </interface>
     </node>
     <node name="lxc-iperf-2" type="SIMPLE" subtype="lxc-iperf" location="371,337">
-        <interface id="0" name="eth1" ipv4="192.168.100.2" netPrefixLenV4="24"/>
+        <interface id="0" name="eth1" ipv4="192.168.100.2" netPrefixLenV4="24">
+            <extensions>
+                <entry key="AutoNetkit.vlan" type="Integer">10</entry>
+            </extensions>
+        </interface>
     </node>
     <node name="lxc-iperf-3" type="SIMPLE" subtype="lxc-iperf" location="536,337">
-        <interface id="0" name="eth1" ipv4="192.168.100.3" netPrefixLenV4="24"/>
+        <interface id="0" name="eth1" ipv4="192.168.100.3" netPrefixLenV4="24">
+            <extensions>
+                <entry key="AutoNetkit.vlan" type="Integer">10</entry>
+            </extensions>
+        </interface>
     </node>
     <node name="lxc-iperf-4" type="SIMPLE" subtype="lxc-iperf" location="715,337">
-        <interface id="0" name="eth1" ipv4="192.168.100.4" netPrefixLenV4="24"/>
+        <interface id="0" name="eth1" ipv4="192.168.100.4" netPrefixLenV4="24">
+            <extensions>
+                <entry key="AutoNetkit.vlan" type="Integer">10</entry>
+            </extensions>
+        </interface>
     </node>
     <connection dst="/virl:topology/virl:node[3]/virl:interface[1]" src="/virl:topology/virl:node[1]/virl:interface[2]"/>
     <connection dst="/virl:topology/virl:node[2]/virl:interface[2]" src="/virl:topology/virl:node[3]/virl:interface[2]"/>