Re: [nvo3] Looking help for vxlan-gpe

worley@ariadne.com Wed, 15 April 2020 02:08 UTC

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From: worley@ariadne.com
To: 杨光 <sunshine723@gmail.com>
Cc: nvo3@ietf.org
In-Reply-To: <CAOM70KJD1zorXPsE6ft4aeE6UuuQioB1rHmG_7m4=Ek_=8YhNQ@mail.gmail.com> (sunshine723@gmail.com)
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Subject: Re: [nvo3] Looking help for vxlan-gpe
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<sunshine723@gmail.com> writes:
> Here is the header format
>
>  0                   1                   2                   3
>  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |0|0|0|0|I|P|0|0|       Reserved                |   NP = LB 254 |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |         VXLAN Network Identifier (VNI)        |   Reserved    |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |   type = v4   |   Length = 3  |   Reserved    |  NP = Eth 03  |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |                              CIP                              |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |                              VIP                              |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> |             SPORT             |             DPORT             |
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Comparing your header example to sections 3.1 and 3.2 of
draft-ietf-nvo3-vxlan-gpe-09, it looks like your example conforms to the
VXLAN-GEP proposal.  Do you have any specific concerns?

Dale