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From: Stephen Hemminger <shemminger@vyatta.com>
To: Ben Greear <greearb@candelatech.com>
Cc: NetDev <netdev@vger.kernel.org>
Subject: Re: Why is LRO off by default on ixgbe?
Date: Wed, 23 Sep 2009 09:53:56 -0700	[thread overview]
Message-ID: <20090923095356.7f9aef37@s6510> (raw)
In-Reply-To: <4ABA4D07.50107@candelatech.com>

On Wed, 23 Sep 2009 09:29:59 -0700
Ben Greear <greearb@candelatech.com> wrote:

> I just noticed that enabling LRO on ixgbe lets me reach about 9Gbps receive on two
> NICs concurrently in an NFS test, where I was only getting about 6Gbps w/out it (1500 MTU).
> 
> Why is LRO disabled by default?
> 
> Thanks,
> Ben

LRO is turned off if bridging or routing because of End to End requirements.

  reply	other threads:[~2009-09-23 16:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-23 16:29 Why is LRO off by default on ixgbe? Ben Greear
2009-09-23 16:53 ` Stephen Hemminger [this message]
2009-09-23 16:57   ` Ben Greear
2009-09-23 17:07     ` Stephen Hemminger
2009-09-23 17:16       ` Ben Greear
2009-09-25 21:37         ` Herbert Xu
2009-09-25 21:43           ` Herbert Xu
2009-09-25 21:53             ` Ben Greear

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