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SubjectRe: [PATCH] seg6: using DSCP of inner IPv4 packets
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Hi David,

Sorry for the late reply. I'm on PTO with limited email access.

I will revise the patch in the next weeks and make outer IPv6 header
inherit Hop limit from Inner packet for the IPv6 case.

Ahmed


On 08/08/2020 02:43, David Miller wrote:
> From: Ahmed Abdelsalam <ahabdels@gmail.com>
> Date: Thu, 6 Aug 2020 08:43:06 +0200
>
>> SRv6 as defined in [1][2] does not mandate that the hop_limit of the
>> outer IPv6 header has to be copied from the inner packet.
>
> This is not an issue of seg6 RFCs, but rather generic ip6 in ip6
> tunnel encapsulation.
>
> Therefore, what the existing ip6 tunnel encap does is our guide,
> and it inherits from the inner header.
>
> And that's what the original seg6 code almost certainly used to
> guide the decision making in this area.
>

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