Roger Wiklund wrote: > > I'm not sure what happens exactly without show output during the failure.
What show output would be useful do you think? > > I was just guessing that you need loop protection because you have a > failure of an intermediate device, so interface is still up but you > stop receiving BPDUs, That's a correct description of the situation. > and thus transition from blocking to forwarding > on your specific mgmt VLAN, I forget to mention that the devices are running MSTP, with a single MSTI, so there's essentially only one topology. > and creating a black hole. Again just a > guess I might be wrong. You are probably right, the question is why only the management traffic (vlan3) is being blackholed, and not the customers' traffic. If MSTP did create a blackhole, it would create it for the whole traffic, right? > > EX4200 and EX4550 have dedicated high speed VC ports, but you can use > your 10G optical interfaces instead. Ah, sorry, I have none of those. -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN AS43859 _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
