In VPLS, loop avoidance is arranged by the following rule: A PE never forwards a frame received from a PE, to another PE. The use of a full mesh combined with split horizon forwarding guarantees a loop-free broadcast domain.
From: wikipedia http://en.wikipedia.org/wiki/Virtual_Private_LAN_Service#Ethernet_emulation So it's much like ibgp. --chip On Mon, Oct 29, 2012 at 7:19 PM, Luca Salvatore <l...@ninefold.com> wrote: > Hi Guys, > > I have a question regarding dual VPLS links. My topology will look like this: > > MX1---------darkfibre----------MX2 > | | > | | > MX3---------darkfibre----------MX4 > > So above you see that there are dual links which will create a loop. > > How does VPLS handle these types of topologies? Do I need to just use > spanning tree and have one link in blocking? > Or perhaps use MSTP and send some VLANs down one link and some down the other? > I will be spanning around 1000 VLANs across these links. They are 10Gb links, > so it seems a shame to have one in a blocking state. > > Any other recommendations? Perhaps M-LAG? > Thanks, > > Luca. > > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp -- Just my $.02, your mileage may vary, batteries not included, etc.... _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp