[c-nsp] 2821 for BGP?

Adrian Chadd adrian at creative.net.au
Wed Jan 17 03:19:23 EST 2007


On Wed, Jan 17, 2007, Gert Doering wrote:

> Our experience here is, as long as we're not doing any fancy packet
> filtering (reflective ACLs or such), it will work without *any* problems.
> 
> [There is one caveat - if there are multiple switches in the mix, you 
> can end up with 'unknown unicast' flooding - but that's due to L2 issues
> in the switch cloud, and has nothing to do with MAC checking on the 
> individual hosts] 

Grr, this pops up when runing asymmetric L3 through different L2 paths.
Now, if there were a way to tell HSRP to not consider standby interfaces for
forwarding/routing at all (except for HSRP notifications!) the above could
be dodged a heck of a lot easier..




Adrian



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