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From: Andi Kleen <ak@suse.de>
To: Ben Greear <greearb@candelatech.com>
Cc: Felix Radensky <felix@allot.com>,
	Robert Olsson <Robert.Olsson@data.slu.se>,
	netdev@oss.sgi.com, "Feldman, Scott" <scott.feldman@intel.com>
Subject: Re: Ethernet bridge performance
Date: Sun, 10 Aug 2003 21:47:23 +0200	[thread overview]
Message-ID: <20030810194723.GA14822@wotan.suse.de> (raw)
In-Reply-To: <3F368B3A.3070009@candelatech.com>

> >Speaking of checksumming. This can be a problem indeed. ethtool -S shows 
> >a lot
> >of rx_csum_offload errors. Scott, what could possibly be a problem ? The 
> >NIC
> >is dual port 82546, driver is 5.1.13-k1.
> 
> Why would a bridge be checksumming anything?

A NIC normally checksums every incoming packet when hardware checksumming
is enabled.  But of course the bridge doesn't use that information.

-Andi

  reply	other threads:[~2003-08-10 19:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-07  9:12 Ethernet bridge performance Felix Radensky
2003-08-07 15:59 ` Stephen Hemminger
2003-08-07 16:05   ` Felix Radensky
2003-08-07 16:57 ` Ben Greear
2003-08-07 17:19   ` Felix Radensky
2003-08-07 19:09     ` Robert Olsson
2003-08-07 19:21       ` jamal
2003-08-07 22:49         ` Robert Olsson
2003-08-10  7:32         ` Felix Radensky
2003-08-11  2:55           ` jamal
2003-08-11  7:52             ` Robert Olsson
     [not found]       ` <3F3601F3.6000001@allot.com>
2003-08-10 18:13         ` Ben Greear
2003-08-10 19:47           ` Andi Kleen [this message]
2003-08-10 21:49         ` Robert Olsson
2003-08-07 19:35   ` David S. Miller
2003-08-07 19:50     ` Ben Greear
2003-08-07 19:58       ` David S. Miller

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