From: Ben Hutchings <bhutchings@solarflare.com>
To: Simon Chen <simonchennj@gmail.com>
Cc: Ben Greear <greearb@candelatech.com>, <netdev@vger.kernel.org>
Subject: Re: under-performing bonded interfaces
Date: Thu, 17 Nov 2011 00:57:29 +0000 [thread overview]
Message-ID: <1321491449.2709.90.camel@bwh-desktop> (raw)
In-Reply-To: <CANj2EbfrtbysEbj+gMa+fOhWo0EWjBXVyGkw8WyiPAV9nPduuQ@mail.gmail.com>
On Wed, 2011-11-16 at 19:05 -0500, Simon Chen wrote:
> If used independently, I can get around 9.8Gbps.
[...]
> [ 11.572861] ixgbe 0000:03:00.0: (PCI Express:5.0Gb/s:Width x4) e8:9a:8f:23:42:1a
[...]
You need a PCIe 2.0 x8 slot to run 2 10 Gb ports at full speed. An x4
slot is only good for about 12-13 Gb aggregate throughput (dependent on
packet sizes and other details).
Ben.
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
next prev parent reply other threads:[~2011-11-17 0:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 23:44 under-performing bonded interfaces Simon Chen
2011-11-17 0:01 ` Ben Greear
2011-11-17 0:05 ` Simon Chen
2011-11-17 0:07 ` Ben Greear
2011-11-17 0:57 ` Ben Hutchings [this message]
2011-11-17 1:38 ` Simon Chen
2011-11-17 1:45 ` Simon Chen
2011-11-17 1:45 ` Rick Jones
2011-11-17 2:51 ` Ben Hutchings
2011-12-22 1:26 ` Simon Chen
2011-12-22 1:36 ` Stephen Hemminger
2011-12-22 3:31 ` Ben Greear
2011-12-22 2:28 ` Simon Chen
2011-12-22 5:43 ` Eric Dumazet
2011-12-23 15:03 ` Simon Chen
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