standby use-bia / standy mac-address on both routers?

From: ALL From_NJ <all.from.nj_at_gmail.com>
Date: Tue, 30 Jun 2009 22:48:15 -0400

Hey team,

Doing standby tonight and had a quick question ...

The switch that R1 connects to only allows one mac on the port
(port-security). On one router, R1, I configured the use-bia command. On
the other router, R2, it shows the mac of R1 as the active mac-address, and
it shows the standard local virtual mac of 0000.0c07.ac00 (v1 default). All
this is fine and pretty much expected ...

Does it make sense to hard code R2 with a virtual mac of R1 with the command
"stand 1 mac-address ......" ? To me this makes sense since when you shut
down R1, R2 will need to gratuitous arp out a new mac for the virtual IP and
not all clients support grat arp ...

On the switch however (using a 3560 for this lab), this command does not
seem to be there ... humm ... not possible to configure this on the switch.
Caveat when pairing a switch with a router for HSRP? Appears to be. Also,
the same MAC bounces around when the standy router transitions, confusing
for my switch.

Any other insight to share? Appreciate your thoughts team. Best Regards,

-- 
Andrew Lee Lissitz
all.from.nj_at_gmail.com
Blogs and organic groups at http://www.ccie.net
Received on Tue Jun 30 2009 - 22:48:15 ART

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