From: Eric Dumazet <eric.dumazet@gmail.com>
To: alekcejk@googlemail.com
Cc: netdev@vger.kernel.org
Subject: Re: Re: Re: limited network bandwidth with 3.2.x kernels
Date: Tue, 14 Feb 2012 06:55:02 +0100 [thread overview]
Message-ID: <1329198902.24837.11.camel@edumazet-laptop> (raw)
In-Reply-To: <2578783.aLeNzacy8Q@localhost.localdomain>
Le mardi 14 février 2012 à 01:49 +0200, alekcejk@googlemail.com a
écrit :
> В сообщении от Понедельник 13 февраля 2012 23:44:16 вы написали:
> > Le lundi 13 février 2012 à 21:18 +0100, Eric Dumazet a écrit :
> > I wonder if the other side of your link believes link is in half duplex
> > mode... Could you please check ?
>
> I have no access to other side, the only I can check is ethtool and mii-diag (kernel-3.2.3):
I have seen numerous duplex mismatches in some data centers after a
reboot. One side believes link is full duplex, the other side believes
its half duplex.
You could setup a pktgen/hping3 to send 2.000 small frames per second to
your gateway and check if you still can download at normal speeds.
hping3 --udp -s 9 -p 9 -i u500 192.168.1.1
next prev parent reply other threads:[~2012-02-14 5:55 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 20:04 limited network bandwidth with 3.2.x kernels alekcejk
2012-02-13 20:18 ` Eric Dumazet
2012-02-13 21:13 ` Eric Dumazet
2012-02-13 21:58 ` alekcejk
2012-02-13 22:44 ` Eric Dumazet
2012-02-13 22:51 ` Neal Cardwell
2012-02-13 23:09 ` alekcejk
2012-02-13 23:14 ` Eric Dumazet
2012-02-13 23:24 ` alekcejk
2012-02-13 23:49 ` alekcejk
2012-02-14 3:06 ` Neal Cardwell
2012-02-14 3:26 ` alekcejk
2012-02-14 5:55 ` Eric Dumazet [this message]
2012-02-14 14:09 ` alekcejk
2012-02-13 21:16 ` alekcejk
2012-02-21 4:21 ` alekcejk
2012-02-21 16:45 ` Eric Dumazet
2012-02-21 17:19 ` alekcejk
2012-02-21 17:31 ` Eric Dumazet
2012-02-21 18:53 ` alekcejk
2012-02-22 1:26 ` alekcejk
[not found] ` <1920135.kl3o7Tt79c@localhost.localdomain>
[not found] ` <1329228798.4818.0.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
2012-02-14 14:28 ` alekcejk
2012-02-14 16:00 ` Eric Dumazet
2012-02-14 16:43 ` alekcejk
2012-02-15 4:43 ` Eric Dumazet
2012-02-15 6:03 ` Neal Cardwell
2012-02-15 6:06 ` Eric Dumazet
2012-02-15 7:52 ` Bill Fink
2012-02-15 8:00 ` Eric Dumazet
2012-02-15 8:18 ` Bill Fink
2012-02-15 8:31 ` Eric Dumazet
2012-02-15 13:44 ` alekcejk
2012-02-15 13:43 ` Re: Re: Re: Re: " alekcejk
2012-02-15 13:44 ` alekcejk
2012-02-15 13:49 ` Eric Dumazet
2012-02-15 13:53 ` Eric Dumazet
2012-02-15 14:11 ` alekcejk
2012-02-15 14:49 ` Neal Cardwell
2012-02-15 14:56 ` Eric Dumazet
2012-02-15 15:05 ` alekcejk
2012-02-15 15:08 ` Eric Dumazet
2012-02-15 19:44 ` Neal Cardwell
2012-02-16 7:29 ` Eric Dumazet
2012-02-16 13:40 ` Eric Dumazet
2012-02-16 13:51 ` Ben Hutchings
2012-02-16 15:09 ` Eric Dumazet
2012-02-16 16:37 ` Ben Hutchings
2012-02-16 17:01 ` David Miller
2012-02-16 17:22 ` Neal Cardwell
2012-02-16 17:54 ` alekcejk
2012-02-16 18:19 ` Neal Cardwell
2012-02-16 21:49 ` alekcejk
2012-02-16 21:59 ` Eric Dumazet
2012-02-16 22:08 ` alekcejk
2012-02-16 22:35 ` Eric Dumazet
2012-02-17 16:41 ` Neal Cardwell
2012-02-21 18:41 ` Eric Dumazet
2012-02-21 19:11 ` David Miller
2012-02-22 5:51 ` Neal Cardwell
2012-02-22 7:36 ` Eric Dumazet
2012-02-23 18:39 ` Neal Cardwell
2012-02-23 18:49 ` Eric Dumazet
2012-02-27 19:39 ` David Miller
2012-02-17 16:55 ` Re: " Neal Cardwell
2012-02-16 18:22 ` Eric Dumazet
2012-02-16 19:44 ` Eric Dumazet
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