[c-nsp] Moving a BGP session to different interface

Prabhu Gurumurthy kepler62e.lyra at gmail.com
Thu Sep 25 15:33:38 EDT 2014

As long as there is only one interface that is up with the IP address,
Cisco should NOT complain about the duplicate IP.

On Thu, Sep 25, 2014 at 10:19 AM, Randy <amps at djlab.com> wrote:

> I'm tasked with moving a BGP session on a 6500 from a 1GE to a 10GE
> interface (live environment).   BGP session details are staying the same.
> The BGP peer IPs (both v4 and v6) are assigned directly to the existing 1GE
> interface (no SVI, ect).
> Is it as simple/possible as configure the new interface with the same IP's
> but in a shutdown state, move the x-connect, shut the old interface and
> unshut the new interface?   Or will IOS block me from doing this (two
> interfaces with the same IP) -- in other words, the IPs will need to be
> removed from the old interface first?
> Thanks for any advise or tips on keeping downtime / CLI work to a minimum
> :)
> --
> ~Randy
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