From owner-freebsd-net  Fri Feb  4 21: 8: 2 2000
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To: Brian Somers <brian@Awfulhak.org>
Cc: freebsd-net@FreeBSD.ORG
Subject: Re: Non-blocking sockets and network outages 
In-reply-to: Your message of "Fri, 04 Feb 2000 09:08:36 GMT."
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Date: Fri, 04 Feb 2000 21:08:12 -0800
From: Gene Kan <genehkan@scam.xcf.berkeley.edu>
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> Keepalives are by default very infrequent:
> 
> This means that the first keepalive won't be sent for 2 hours, at 
> which point up to 8 will be sent with 75 seconds in between each.  If 
> there are no responses after that, the connection is dropped.

Thanks so much!  Problem solved.

[straight6:~]sysctl -a | grep keep
net.inet.ip.keepfaith: 0
net.inet.tcp.keepidle: 75000
net.inet.tcp.keepintvl: 1000
net.inet.tcp.keepinit: 75000

Aggressive, but who puts up with lagged net, anyway?  :)  (Is there any
way to set these intervals per-socket with setsockopt?)

Gene


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