diff --git a/tools/test/topos/attmpls.py b/tools/test/topos/attmpls.py
index 4fe7115..fedcb6c 100644
--- a/tools/test/topos/attmpls.py
+++ b/tools/test/topos/attmpls.py
@@ -175,3 +175,7 @@
         self.addLink( SNDG , PHNX, bw=10, delay='0.345064487693ms')
 
 topos = { 'att': ( lambda: AttMplsTopo() ) }
+
+if __name__ == '__main__':
+    from onosnet import run
+    run( AttMplsTopo() )