diff --git a/test/containerlab/complex-1.0.clab.yml b/test/containerlab/complex-1.0.clab.yml
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+# topology documentation: http://containerlab.srlinux.dev/lab-examples/srl-ceos/
+name: complex-1.0
+
+topology:
+  nodes:
+    gosdn:
+      kind: linux
+      image: registry.code.fbi.h-da.de/cocsn/gosdn:develop
+    ceos1-1:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    ceos1-2:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    ceos2-1-1:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    ceos2-1-2:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    ceos2-2-1:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    ceos2-2-2:
+      kind: ceos
+      image: ceosimage:4.26.0F
+    server3-1-1:
+      kind: linux
+      image: alpine:latest
+    server3-1-2:
+      kind: linux
+      image: alpine:latest
+    server3-1-3:
+      kind: linux
+      image: alpine:latest
+    server3-2-1:
+      kind: linux
+      image: alpine:latest
+    server3-2-2:
+      kind: linux
+      image: alpine:latest
+    
+
+  links:
+    - endpoints: ["ceos1-1:eth1", "ceos2-1-1:eth1"]
+    - endpoints: ["ceos1-1:eth2", "ceos2-1-2:eth1"]
+    - endpoints: ["ceos1-1:eth3", "ceos2-2-1:eth1"]
+    - endpoints: ["ceos1-1:eth4", "ceos2-2-2:eth1"]
+    - endpoints: ["ceos1-2:eth1", "ceos2-1-1:eth2"]
+    - endpoints: ["ceos1-2:eth2", "ceos2-1-2:eth2"]
+    - endpoints: ["ceos1-2:eth3", "ceos2-2-1:eth2"]
+    - endpoints: ["ceos1-2:eth4", "ceos2-2-2:eth2"]
+    - endpoints: ["ceos2-1-1:eth3", "server3-1-1:eth1"]
+    - endpoints: ["ceos2-1-1:eth4", "server3-1-2:eth1"]
+    - endpoints: ["ceos2-1-2:eth3", "server3-1-2:eth2"]
+    - endpoints: ["ceos2-1-2:eth4", "server3-1-3:eth1"]
+    - endpoints: ["ceos2-2-1:eth3", "server3-2-1:eth1"]
+    - endpoints: ["ceos2-2-1:eth4", "server3-2-2:eth1"]
+    - endpoints: ["ceos2-2-2:eth3d", "server3-2-1:eth2"]
+    - endpoints: ["ceos2-2-2:eth4", "server3-2-2:eth2"]