[j-nsp] Tricks for killing L2 loops in VPLS and STP "BPDU-less" situations?

[Alexander Bochmann]

Hi,

...on Fri, Aug 17, 2012 at 11:08:53AM -0400, Clarke Morledge wrote:
 > switch accidentally into two of our EX switches.  Traffic will loop
 > through the miscreant switch between the two EXs and without BPDUs
 > it just looks like MAC addresses keep moving between the real
 > source and the two EXs.

Not that I've used it myself yet, but the aptly named MAC Move Limiting 
might help here, though usefulness might depend on the actual topology::

http://www.juniper.net/techpubs/en_US/junos10.4/topics/concept/port-security-mac-limiting-and-mac-move-limiting.html

Alex.