[c-nsp] c6k msfc - hsrp flapping

[Yuri Lukin]

lee.e.rian at census.gov wrote ..
>  msfc1 says
>     %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor x.x.x.x (VlanXXX) is down:
> peer
> restarted
>     %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor x.x.x.x (VlanXXX) is up: new
> adjacency
> 
>   msfc2 says
>      %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor x.x.x.x (VlanXXX) is down:
> holding time expired
>      %DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor x.x.x.x (VlanXXX) is up: new
> adjacency
>   along with all of the %STANDBY-6-STATECHANGE: msgs for every standby
> hsrp
> interface going active & then back to standby.
> 
> Thanks,
> Lee

HSRP will change state when it misses three consecutive hellos. It's possible
you have an underlying layer 1 or layer 2 problem. Can you tell if the 
%STANDBY-6-STATECHANGE messages are occurring for certain vlans only?

The following doc has some good troubleshooting steps that can be taken:
http://www.cisco.com/en/US/partner/tech/tk648/tk362/technologies_tech_note09186a0080094afd.shtml#t1

Also, for HSRP group limitations for the 6500:
http://www.cisco.com/en/US/partner/products/hw/switches/ps700/products_qanda_item09186a008011c6bb.shtml


-Yuri