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From: andrew@pimlott.ne.mediaone.net (Andrew Pimlott)
Date: Wed, 4 Jul 2001 23:29:24 -0400
To: George Bonser <george@gator.com>
Cc: kern@wolf.ericsson.net.nz, linux-kernel@vger.kernel.org
Subject: Re: tcp stack tuning and Checkpoint FW1 & Legato Networker
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In-Reply-To: <Pine.LNX.4.33.0107051331190.2882-100000@wolf.ericsson.net.nz> <CHEKKPICCNOGICGMDODJIELKDIAA.george@gator.com>
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In-Reply-To: <CHEKKPICCNOGICGMDODJIELKDIAA.george@gator.com>; from george@gator.com on Wed, Jul 04, 2001 at 07:02:36PM -0700
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On Wed, Jul 04, 2001 at 07:02:36PM -0700, George Bonser wrote:
> > I want to set the tcp_keepalive timer to 60 seconds and understand
> > possible implications for Linux.
> 
> echo 60 >/proc/sys/net/ipv4/tcp_keepalive_time

By default, this is only polled by the kernel every 75 seconds, so
you would still lose.  In 2.2, this is hard-coded.  In 2.4,
/proc/sys/net/ipv4/tcp_keepalive_intvl will probably help, but I
haven't tried it.

Andrew
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