[cisco-voip] CUBE HSRP

[Nick Matthews]

Best practices, it's about 1 second.  There are challenges with sub-second
times in HSRP if there are more critical (routing protocol) traffic on the
same box. With hello times less than 300msec it's possible for the HSRP
process to be skipped due to single higher priority processes on the router
being able to monopolize the scheduling blocks.

That's what I understand anyways. I've tested much lower - 100-200 ms. But
in real world with other protocols on the box it's tougher to make a hard
call outside the best practices.

-nick


On Tue, Jun 11, 2013 at 11:08 AM, Mark Holloway <mh at markholloway.com> wrote:

> Does anyone know what the lowest failover time (in milliseconds) is if you
> have two 3945-E routers running CUBE and one box fails and the other takes
> over?
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