> graph [overlap=scale]
> node [shape=box, style=filled]
> node [width=.3, height=.3, style=filled, color=skyblue]
->
+>
> "bob0.hamburger.edu";
> "bob2.hamburger.edu";
> "bob3.hamburger.edu";
> "bob4.hamburger.edu";
> "bob6.hamburger.edu";
+> "bob_cluster";
> "bob_cluster_backbone";
> "bob_cluster_link_0_DOWN";
> "bob_cluster_link_0_UP";
> "bob_cluster_link_4_UP" -- "bob_cluster_backbone";
> "bob_cluster_link_6_DOWN" -- "bob_cluster_backbone";
> "bob_cluster_link_6_UP" -- "bob_cluster_backbone";
-> "bobbob_cluster_router.hamburger.edu" -- "bob_cluster_backbone";
> "bob0.hamburger.edu" -- "bob_cluster_link_0_DOWN";
> "bob0.hamburger.edu" -- "bob_cluster_link_0_UP";
> "bob2.hamburger.edu" -- "bob_cluster_link_2_DOWN";
> "bob4.hamburger.edu" -- "bob_cluster_link_4_UP";
> "bob6.hamburger.edu" -- "bob_cluster_link_6_DOWN";
> "bob6.hamburger.edu" -- "bob_cluster_link_6_UP";
+> "bob_cluster_backbone" -- "bob_cluster";
+> "bobbob_cluster_router.hamburger.edu" -- "bob_cluster";
> }
$ rm -f test.dot