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Date: Thu, 26 Mar 2015 15:49:01 +0100 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: Roman Gushchin <klamm@...dex-team.ru>, netdev@...r.kernel.org Cc: linux-kernel@...r.kernel.org, "David S. Miller" <davem@...emloft.net> Subject: Re: [PATCH v3] net: sysctl for RA default route MTU 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@...dex-team.ru> Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org> Thanks! -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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