A spanning tree TCN would do it as well. It would be nice if configuring STP at the edge caused the box to TCN when it gives up mastership. I haven't tried it but I'm pretty sure it doesn't.
2011/10/20 David Ball <[email protected]> > On 20 October 2011 14:00, William Cooper <[email protected]> wrote: > > I might be confused... but wouldn't the switches learn the MAC to port > > association dynamically based > > on traffic flows? > > In the absence of gratuitous ARP (used, for example, by VRRP), no. > The switch will learn it once, cache it, and that MAC-to-port entry > will remain until it times out and is relearned (unless the switch > port goes down, in which case the switch will flush MACs learned on > that port). This is where an earlier poster's idea of shortening the > MAC aging timeout on the switch could help a little, though some folks > might prefer faster failover than is afforded by MAC timeouts on a > dead (yet still admin/oper UP) port. You can typically flush the MAC > table manually on the switch, but that's certainly not a viable > solution for speeding up automated failover. > > David > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
