Re: [dhcwg] I-D Action: draft-ietf-dhc-rfc3315bis-09.txt - questions about Solicit Prefix Delegation

Ted Lemon <mellon@fugue.com> Fri, 14 July 2017 18:35 UTC

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From: Ted Lemon <mellon@fugue.com>
Date: Fri, 14 Jul 2017 20:35:14 +0200
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To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: dhcwg <dhcwg@ietf.org>, "Bernie Volz (volz)" <volz@cisco.com>
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Subject: Re: [dhcwg] I-D Action: draft-ietf-dhc-rfc3315bis-09.txt - questions about Solicit Prefix Delegation
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So are the DHCP clients you are talking about setting the IP header hop
count to 0/1, or the DHCP header hop-count field to 0/1?   That is, what is
the behavior you are concerned about, and why do you think it might cause a
problem in this case?

On Fri, Jul 14, 2017 at 8:32 PM, Alexandre Petrescu <
alexandre.petrescu@gmail.com> wrote:

>
>
> Le 13/07/2017 à 23:14, Ted Lemon a écrit :
>
>> On Jul 13, 2017 16:01, "Alexandre Petrescu" <alexandre.petrescu@gmail.com
>> <mailto:alexandre.petrescu@gmail.com>> wrote:
>>
>>     My oppinion is to make DHCP spec Hop Limit > 1.  In order to make sure
>>     that the encap/decap of DHCP Solicit in IPv4 GTP happening on a
>> cellular
>>     link does not drop it to 0 upon decap.
>>
>>
>> If a link local sourced multicast with a hop limit of one is dropped
>> between sender and receiver, ip is broken on that link, ne c'est pas?
>>
>
> If that link is a real link then yes - ip is broken on that link.
>
> But if the link is a virtual link - like when on a tunnel - then it may be
> that tunnel works or no.
>
> Alex
>
>
>>