From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Roman Gushchin <klamm@yandex-team.ru>, netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v3] net: sysctl for RA default route MTU
Date: Thu, 26 Mar 2015 15:49:01 +0100 [thread overview]
Message-ID: <1427381341.2801675.245582457.5499DAED@webmail.messagingengine.com> (raw)
In-Reply-To: <1427370594-18807-1-git-send-email-klamm@yandex-team.ru>
On Thu, Mar 26, 2015, at 12:49, Roman Gushchin wrote:
> This patch introduces new ipv6 sysctl: ra_default_route_mtu.
> If it's set (> 0), it defines per-route MTU for any new default route
> received by RA.
>
> This sysctl will help in the following configuration: we want to use
> jumbo-frames for internal networks and default ethernet frames for
> default route. Per-route MTU can only lower per-link MTU, so link MTU
> should be set to ~9000 (statically or via RA).
>
> Due to dynamic nature of RA, setting MTU for default route will require
> userspace agent, that will monitor changes of default route
> and (re)configure it. Not simple. The suggested sysctl solves this
> problem.
>
> Signed-off-by: Roman Gushchin <klamm@yandex-team.ru>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Thanks!
next prev parent reply other threads:[~2015-03-26 14:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-24 18:03 [PATCH] " Roman Gushchin
2015-03-24 19:27 ` David Miller
2015-03-25 9:49 ` Roman Gushchin
2015-03-25 11:07 ` [PATCH v2] " Roman Gushchin
2015-03-25 12:34 ` Denis Kirjanov
2015-03-25 15:52 ` Hannes Frederic Sowa
[not found] ` <39171427301187@webcorp02f.yandex-team.ru>
2015-03-25 18:14 ` Hannes Frederic Sowa
2015-03-26 11:49 ` [PATCH v3] " Roman Gushchin
2015-03-26 14:49 ` Hannes Frederic Sowa [this message]
2015-03-29 19:42 ` David Miller
2015-03-30 12:30 ` Roman Gushchin
2015-03-31 20:05 ` David Miller
2015-03-31 20:35 ` Hannes Frederic Sowa
2015-03-31 20:49 ` David Miller
2015-04-01 9:58 ` Roman Gushchin
2015-04-01 17:55 ` David Miller
2015-04-01 19:27 ` Hannes Frederic Sowa
2015-04-02 18:08 ` Roman Gushchin
2015-04-07 15:58 ` Hannes Frederic Sowa
2015-04-08 19:03 ` Roman Gushchin
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