[Bridge] STP bug, loop not detetcted

Benny Amorsen
2008-05-07T10:42:04Z

Joakim Tjernlund <joakim.tjernlund at transmode.se> writes:

> If I loop two or more interfaces by connecting each interface's output
> to its own input, I get a loop that STP doesn't detect.
> Looping by connecting an output from one interface to another interface
> input works fine.

Do you see BPDU packets come back when you do the loops? tcpdump can
probably help. It sounds like the switch is eating your BPDU's.


/Benny