[c-nsp] mac flapping on 6509 between core and fwsm

Mario Ruiz mruiznet at gmail.com
Thu Apr 19 20:14:13 EDT 2012


I,ve  seen events  when server switch ports are  not properly teamed.
  And physically connected to separate access layer on a switches.
Bridged  interfaces ...find where the mac address is located....

On Thu, Apr 19, 2012 at 6:10 PM, ryanL <ryan.landry at gmail.com> wrote:
> does anyone know what would cause this? po30 uplinks to a core router,
> and po579 is the internal etherchannel assignment for the fwsm. the
> fwsm is bridging. the 6509 is spanning-tree root for the vlan. vl1250
> is the outside interface. the mac in question is core router,
> configured as po30.1250. the core has numerous other subints
> configured the same way (so, same mac), but only this vlan reports the
> move, repeatedly.
>
> %MAC_MOVE-SW1_SP-4-NOTIF: Host 0024.f716.5142 in vlan 1250 is flapping
> between port Po579 and port Po30
>
> 6509 vss is running 12.2(33)SXI6
> fwsm is 4.1(7)
>
> i have multiple fwsm contexts configure the exact same way (diff'd),
> and i don't see this issue.
>
> appreciate any clues.
>
> ryan
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-- 
Mario Ruiz



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