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Re: TCP-Protection is really a pain...

from [Christian Schmid] [Permanent Link][Original]
To: Stephen Hemminger <shemminger@xxxxxxxx>
Subject: Re: TCP-Protection is really a pain...
From: Christian Schmid <webmaster@xxxxxxxxxxxxxx>
Date: Thu, 03 Feb 2005 21:19:19 +0100
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20050203121503.4f122779@xxxxxxxxxxxxxxxxx>
References: <4201A382.1020208@xxxxxxxxxxxxxx> <20050202205437.571a702b@xxxxxxxxxxxxxxxxxxxxx> <4201B4EA.2030101@xxxxxxxxxxxxxx> <20050203113335.46396c11@xxxxxxxxxxxxxxxxx> <42028278.7040008@xxxxxxxxxxxxxx> <20050203121503.4f122779@xxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8a3) Gecko/20040817 
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp segmentation offload: on
What exactly is tcp segmentation offload? Where can I read more about it? Should I disable it or is this not a good idea? 

Stephen Hemminger wrote:

On Thu, 03 Feb 2005 20:58:48 +0100
Christian Schmid <webmaster@xxxxxxxxxxxxxx> wrote:

E1000 support TSO. To check if it is enabled do:
        ethtool -k eth0
To turn it off use.
        ethtool -K eth0 tso off

You get the idea..
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