[nsp] MPLS & IPv6

[Oliver Boehmer (oboehmer)]

> We have a similar setup, but no IPv6 traffic will pass when 
> using isis for 
> ipv6, because IPv6 (according to cisco) cannot traverse TE 
> tunnels, and 
> is-is cannot route ipv6 over a different path than it routes 
> ipv4.  I have 
> been told we need to wait for 'multi-topology' is-is for that 
> to work.  I 
> have been using 12.0(21)ST, maybe 23S has this multi-topology is-is?

Multi-topology IS-IS for IPv6 hasn't been released yet, it should be
available in the upcoming 12.2T release (around March/April timeframe)
as well as the next 12.2S (~ 3rd quarter). Can't tell when it will be in
12.0S.

	oli