Re: IPv6 tunneling with routing protocols...

Bryan,

Basically, routing protocols that use link-layer addresses as next-hops and
multicast to exchange updates or form adjacencies won't work over multipoint
tunnels. This includes 6to4 tunnels and ISATAP. However, ISATAP is special
in that you have a predictable link-layer address for a tunnel destination.
So you can use routing protocols that support unicasting, such as OSPF via
the neighbor command.

Bryan Bartik
CCIE #23707, CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com

On Fri, Apr 24, 2009 at 12:48 PM, Modular <modulartx_at_gmail.com> wrote:

> I remember reading somewhere that you could not run certain IPv6 routing
> protocols
> over certain IPv6 tunnels. Something like you could not RIPng over an
> automatic
> 6-to-4 tunnel. Is this true?
>
> Thanks,
> Bryan R.
>
>
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