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From: Ben Greear <greearb@candelatech.com>
To: Simon Chen <simonchennj@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: under-performing bonded interfaces
Date: Wed, 16 Nov 2011 16:07:46 -0800	[thread overview]
Message-ID: <4EC45052.10101@candelatech.com> (raw)
In-Reply-To: <CANj2EbfrtbysEbj+gMa+fOhWo0EWjBXVyGkw8WyiPAV9nPduuQ@mail.gmail.com>

On 11/16/2011 04:05 PM, Simon Chen wrote:
> If used independently, I can get around 9.8Gbps.

On each of them concurrently, or just one at a time?

> [   11.572857] ixgbe 0000:03:00.0: Multiqueue Enabled: Rx Queue count
> = 24, Tx Queue count = 24
> [   11.572861] ixgbe 0000:03:00.0: (PCI Express:5.0Gb/s:Width x4)
> e8:9a:8f:23:42:1a
> [   11.572943] ixgbe 0000:03:00.0: MAC: 2, PHY: 8, SFP+: 3, PBA No: FFFFFF-0FF
> [   11.572944] ixgbe 0000:03:00.0: PCI-Express bandwidth available for
> this card is not sufficient for optimal performance.
> [   11.572946] ixgbe 0000:03:00.0: For optimal performance a x8
> PCI-Express slot is required.

Looks to me like it may be hardware related unless you are certain you
can get both NICs running at high-speed independently of any bonding
code...

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

  reply	other threads:[~2011-11-17  0:07 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 [this message]
2011-11-17  0:57     ` Ben Hutchings
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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