From owner-freebsd-current  Tue Jun  1 13:31:26 1999
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From: Nate Williams <nate@mt.sri.com>
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To: David Malone <dwmalone@maths.tcd.ie>
Cc: Nate Williams <nate@mt.sri.com>,
	Poul-Henning Kamp <phk@critter.freebsd.dk>,
	Matthew Hunt <mph@astro.caltech.edu>, kip@lyris.com,
	current@freebsd.org
Subject: Re: net.inet.tcp.always_keepalive on as default ?
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> > > Can people live with a one week TCP keepalive as default ?
> > 
> > Compromise.  I like it.  One week is certainly adequate for me.  If I
> > leave a link 'active' for longer than that w/out activity, I deserve to
> > lose the link
> 
> Surely that violates POLA? That upsets people who have keepalive
> turned on already and find 1 week is way too long. For instance,
> we use keepalive to get rid of stuck netscapes, and we'd probably
> run out of swap or mbufs if it went up to a week. We just managed
> by putting this in rc.local:
> 
> sysctl -w net.inet.tcp.always_keepalive=1

As I understand it, it would always on, and 'one-week' would be the
default.  Old (traditional) programs that turned it on would be given
the 'traditional' timeout of 1 hour.

Or something like that.

Off == 1 week KEEPALIVE
ON  == traditiona 1 hour KEEPALIVe.


Nate


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