hobbit and NET tag

[Gianluca Rossi]

Hi all, I have just installed hobbit RC3 (good work!), and i am using 
the same bb-hosts configuration as my production system (BB+bbgen 3.2).
i have some host that are not directily "pingable" from the hobbit 
server and are defined in this way:

10.12.20.58     hitachi9980     # NET:sb1-15k

the ping test is done by another machine, but with hobbit i see the 
"conn" test always switch from green to red and vice versa.

what is the correct setup with hobbit?
thanks