[c-nsp] IPv6: HSRP vs Anycast

[Elmar K. Bins]

Re

nsp-list at pollok.net (Sascha Pollok) wrote:

> We do. As HSRPv6 was not available when we started v6 deployment with
> redundant routers. Afaik the "anycast" keyword on an interface (e.g.
> an SVI on 6500) simply disables duplicate address notifications.
> It is then up to the hosts/servers to decide which router to choose
> from those who are advertising the v6 gateway using anycast. Thats
> all. However, it is by far not that fast as HSRP but its still
> usable.

As long as you don't have fast fluctuations, it simply works, gets
the job done, and gives you decent failover (within the bounds of
the timeouts applied, of course).

Configuration is extremely simple, too.

Elmar.