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Date: Sun, 29 Mar 2015 12:42:48 -0700 (PDT) From: David Miller <davem@...emloft.net> To: klamm@...dex-team.ru Cc: netdev@...r.kernel.org, hannes@...essinduktion.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3] net: sysctl for RA default route MTU From: Roman Gushchin <klamm@...dex-team.ru> Date: Thu, 26 Mar 2015 14:49:54 +0300 > 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> This does not apply cleanly to net-next, please respin. -- 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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