/127 between routers?

[Mohacsi Janos]

Also:
http://www.ietf.org/id/draft-kohno-ipv6-prefixlen-p2p-00.txt


Janos Mohacsi
Head of HBONE+ project
Network Engineer, Deputy Director of Network Planning and Projects
NIIF/HUNGARNET, HUNGARY
Key 70EF9882: DEC2 C685 1ED4 C95A 145F  4300 6F64 7B00 70EF 9882

On Tue, 5 Jan 2010, Mohacsi Janos wrote:

> Hi,
>
> 	Have a look at RFC 3627:
> http://tools.ietf.org/html/rfc3627
> "Use of /127 Prefix Length Between Routers Considered Harmful"
>
> Janos Mohacsi
> Head of HBONE+ project
> Network Engineer, Deputy Director of Network Planning and Projects
> NIIF/HUNGARNET, HUNGARY
> Key 70EF9882: DEC2 C685 1ED4 C95A 145F  4300 6F64 7B00 70EF 9882
>
> On Tue, 5 Jan 2010, Xavier Beaudouin wrote:
>
>> Hi there...
>> 
>> I can't figure if there is any drawback to use a /64 and subnet it into
>> /127 only for point to point connections between routers.
>> 
>> Seems that OpenBSD doesn't forbid that, but I wanted to know if there is
>> any drawback in this way of connection each routers in such way.
>> 
>> When I was working on 2000 and have 6bone stuff and was pTLA, we cannot do
>> that, now KAME stack on OpenBSD allow that.
>> 
>> Any good practices in this domain ?
>> 
>> Xavier
>> 
>> -- 
>> Association KAZAR - http://kazar.net/
>> Non profit hosting for anybody in France
>> 
>