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Re: ipv6 anycast

On Wed, 01 Sep 2010 22:48:36 +0900
Randy Bush <randy@psg.com> wrote:

> >>> I use them for my network. RFC5969.
> >> 
> >> aha!  do you mean
> >> 
> >> 5.  Troubleshooting and Traceability
> >>   ...
> >>   The 6rd CE and BR SHOULD support the IPv6 Subnet-Router anycast
> >>   address [RFC4291] for its own 6rd delegated prefix.  This allows, for
> >>   example, IPv6 ICMP echo messages to be sent to the 6rd virtual
> >>   interface itself for additional troubleshooting of the internal
> >>   operation of 6rd at a given CE or BR.
> > 
> > indeed. and note that this makes no requirement that _any_ type of
> > interface has to support this.
> 
> btw, that is an rfc, not a network :)
> 
> do you know if free.fr and/or others actually deployed and tested this?
> among other things, i worry about code paths that are rarely, if ever,
> used.
> 

Here is a post of somebody who used it to provide "poor mans" HSRP.

http://lists.cluenet.de/pipermail/ipv6-ops/2010-June/003639.html




> randy
>