[c-nsp] Tuning HSRP timers for BGP routers

[Tony Varriale]

On 5/9/2012 8:45 AM, Matthew Huff wrote:
> We have a pair of Cisco 7204VXR with NPE-G2 running 15.1(4)M3. We are using
> default timers for the HSRP interfaces, and we are seeing nightly HSRP state
> changes. Not a lot, but 1-2 a night. This appears to only have started
> recently.  We are looking at logs, but I assume it's due to BGP cpu
> exhaustion. We don't see any L2 errors on the VLAN where the HSRP is
> running, so I don't think it's a physical problem.
>
>
>
> What timers do people use for HSRP on BGP routers as a practice?  Obviously
> we want the smallest timers that would be possible.
>
>
>
> ----
>
> Matthew Huff             | 1 Manhattanville Rd
>
> Director of Operations   | Purchase, NY 10577
>
> OTA Management LLC       | Phone: 914-460-4039
>
> aim: matthewbhuff        | Fax:   914-460-4139
>
That's the symptom.  I wouldn't recommend changing those timers until 
you understand what is causing the issue.  Sometimes (especially in STP, 
BGP, etc) changing how the protocol works makes things worse.

tv