Using /126 for IPv6 router links

Ron Bonica rbonica at juniper.net
Tue Jan 26 10:50:22 CST 2010


Chris,

Discussion of draft-kohno-ipv6-prefixlen-p2p is on the IETF 6man WG
mailing list. But please do chime in. Operator input very welcomed.

                                            Ron


Christopher Morrow wrote:
> On Sat, Jan 23, 2010 at 7:52 AM, Mathias Seiler
> <mathias.seiler at mironet.ch> wrote:
>> Hi
>>
>> In reference to the discussion about /31 for router links, I d'like to know what is your experience with IPv6 in this regard.
>>
>> I use a /126 if possible but have also configured one /64 just for the link between two routers. This works great but when I think that I'm wasting 2^64 - 2 addresses here it feels plain wrong.
>>
>> So what do you think? Good? Bad? Ugly? /127 ? ;)
> 
> <cough>draft-kohno-ipv6-prefixlen-p2p-00.txt</cough>
> 
> (<http://tools.ietf.org/id/draft-kohno-ipv6-prefixlen-p2p-00.txt>)
> 
> why not just ping your vendors to support this, and perhaps chime in
> on v6ops about wanting to do something sane with ptp link addressing?
> :)
> 
> -Chris
> 
> 




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