[nsp] Using router or switch to detect "other" switches.

[sthaug at nethelp.no]

> If the switches are all part of the same network they should show up in 
> the STP table.  Try running a packet sniffer looking for STP packets

Unfortunately, lots of unmanaged switches don't run STP.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no