[c-nsp] standby use-bia?

Dave Temkin dave at ordinaryworld.com
Thu Dec 2 12:50:37 EST 2004


Works fine here.  Doing it on both 3550's and 6500's.

-Dave

On Thu, 2 Dec 2004, Jon Lewis wrote:

> On Thu, 2 Dec 2004, Bruce Pinsky wrote:
>
> > As I previously mentioned, my only other worry would be whether your
> > switches allow the same MAC address to appear in different VLANs, i.e. a
> > forwarding table per VLAN.  The 6500's certainly do.  I know that some
> > lower end switches (including cisco's) don't and that the VLAN concept is
> > used only to limit flooding and broadcasts.  I've been bitten by this
> > before and it makes for some peculiar behavior as well as horrible performance.
>
> I'd expect 3550s to deal properly with duplicate MAC addresses in
> different VLANs, but does anyone know for sure?
>
> It's not unheard of for certain hosts (esp old Suns) to have multiple
> interfaces but just 1 host MAC address.
>
> ----------------------------------------------------------------------
>  Jon Lewis                   |  I route
>  Senior Network Engineer     |  therefore you are
>  Atlantic Net                |
> _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>


More information about the cisco-nsp mailing list