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Date: Mon, 30 Apr 2018 07:59:12 +0200
From: Steffen Klassert <steffen.klassert@...unet.com>
To: Stefano Brivio <sbrivio@...hat.com>
CC: Xin Long <lucien.xin@...il.com>,
Alexey Kodanev <alexey.kodanev@...cle.com>,
Jarod Wilson <jarod@...hat.com>,
Sabrina Dubroca <sd@...asysnail.net>, <netdev@...r.kernel.org>
Subject: Re: [PATCH ipsec] vti6: Change minimum MTU to IPV4_MIN_MTU, vti6 can
carry IPv4 too
On Thu, Apr 26, 2018 at 07:39:09PM +0200, Stefano Brivio wrote:
> A vti6 interface can carry IPv4 as well, so it makes no sense to
> enforce a minimum MTU of IPV6_MIN_MTU.
>
> If the user sets an MTU below IPV6_MIN_MTU, IPv6 will be
> disabled on the interface, courtesy of addrconf_notify().
>
> Reported-by: Xin Long <lucien.xin@...il.com>
> Fixes: b96f9afee4eb ("ipv4/6: use core net MTU range checking")
> Fixes: c6741fbed6dc ("vti6: Properly adjust vti6 MTU from MTU of lower device")
> Fixes: 53c81e95df17 ("ip6_vti: adjust vti mtu according to mtu of lower device")
> Signed-off-by: Stefano Brivio <sbrivio@...hat.com>
Applied, thanks Stefano!
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