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Subject: Re: tcp stack tuning and Checkpoint FW1 & Legato Networker
To: kern@wolf.ericsson.net.nz
Date: Thu, 5 Jul 2001 12:06:44 +0100 (BST)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33.0107051331190.2882-100000@wolf.ericsson.net.nz> from "kern@wolf.ericsson.net.nz" at Jul 05, 2001 01:49:33 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> I want to set the tcp_keepalive timer to 60 seconds and understand
> possible implications for Linux.

The RFC's strictly forbid it being below two hours

> If I set the tcp_keepalive timer to 60 seconds then keepalives will keep
> the connection established for the duration of the backup which could be
> 50 minutes for a large partition.  I can set this under solaris with ndd
> tcp_keepalive_interval 60000 (ms)

And the moment you leave a few boxes tuned like that on the internet you'll
find yourself very unpopular.

Get the checkpoint box reconfigured properly

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