On Wed, 28 Feb 2001, Edward S. Desouza wrote:
> Hi Martin,
> HSRP works fine with the following timers :
> hello 1 sec
> holdtime 2 sec
>
> I have seen the standby router take over with a max of
> 3 ping drops .
>
> With a hello of 1 sec and a holdtime also of 1 sec,
> HSRP active and standby router election occurs even
> when the active router is not down. This results in
> packet losses.
> Thus the minimum configurable time that I have seen to
> work is :
> Hello 1 holdtime 2
>
>
> Rgds,
>
> Edward
Be careful, however, and do thorough lab testing prior to putting such low
hello/hold times into production. I have seen situations where a busy
switch has caused wild thrashing of HSRP pairs with low timer values.
-Dennis
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