Re: [Int-area] [nvo3] Comments on draft-ietf-nvo3-gue-05

Joe Touch <touch@isi.edu> Tue, 21 March 2017 23:00 UTC

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To: Chema Gonzalez <chema@berkeley.edu>, int-area@ietf.org
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From: Joe Touch <touch@isi.edu>
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Subject: Re: [Int-area] [nvo3] Comments on draft-ietf-nvo3-gue-05
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On 3/14/2017 7:01 PM, Chema Gonzalez wrote:
> 2 minor comments:
>
> 1. There is a small typo. Where it says:
>
> B.1. Priveleged ports
>
> It should say:
>
> B.1. Privileged ports
>
> 2. Not sure whether this is right or not: Sections 3.3.2 and 5.4.1
> suggest the use of 94 as the next proto header value ("(proto =
> 94,IPIP)"). Both linux/include/uapi/linux/in.h and
> https://en.wikipedia.org/wiki/List_of_IP_protocol_numbers suggest the
> right ipip value is 4. 
Wikipedia isn't authoritative; IANA is:
https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml

> The wiki link suggests 94 was used by "KA9Q NOS
> compatible IP over IP tunneling", while the linux kernel points at
> https://tools.ietf.org/html/draft-nikander-esp-beet-mode-05.

This is a good reason to check with IANA. You'll find there:
94 	IPIP 	IP-within-IP Encapsulation Protocol 	
	[John_Ioannidis
<https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml#John_Ioannidis>]



See RFC1853, which explains why John has that assignment.

Joe