[ipv6-wg] Last Call (20101117): Requirements For IPv6 in ICT Equipment

Yes. I think Multitopology is needed with IPv6 and ISIS.

Mark Tinka ha scritto:
> On Wednesday, November 10, 2010 04:08:42 pm Ivan Pepelnjak 
> wrote:
>
>   
>> MT IS-IS & MPLS
>> ===============
>> There's another gotcha that we totally missed: MT for
>> IS-IS (RFC 5120) should be mentioned and it should be
>> MANDATORY in combination with MPLS (otherwise you might
>> experience some weird symptoms if you decide to run some
>> IPv6 natively).
>>     
>
> Apologies for the late reply:
>
> I think it would be a good idea to recommend MT regardless 
> of whether MPLS is in use or not.
>
> Some systems, by default, will enable IS-IS for both v4 and 
> v6 when turned on, e.g., JUNOS. Others won't and require 
> either v4 or v6 support to be enabled explicitly, e.g., IOS.
>
> I think recommending MT be supported in all implementations 
> of IS-IS is useful, so that native/dual-stack deployments of 
> v6 don't cause network outages due to lack of topology 
> congruency during turn-up.
>
> Cheers,
>
> Mark.
>   


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