[c-nsp] /31 on a PTP Ethernet interface

[Manu Chao]

Ethernet is not designed for p2p but can be used for this purpose.
OSI allow any L3 over L2 Ethernet, there is no issue with IPv4 @

2010/3/8, sthaug at nethelp.no <sthaug at nethelp.no>:
>> You needn't /30 anymore, rfc3021 is well suported for a while ;)
>
> Yes, RFC 3021 is well supported on *actual* point to point links (e.g.
> SDH/SONET). Ethernet is *not* such a type of link.
>
> There are lots of people who use /31 on Ethernet links without any
> apparent problems. However ...
>
> Some of us have tried (hard) to get Cisco and Juniper to come forward
> with an official statement about whether /31 is supported or not on
> Ethernet links. We have been entirely unsuccessful - the answer we
> receive is always of the type "try it, it may work for you". That is
> not "well supported" by my definition of the word.
>
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
>

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