Date: Sat, 22 Feb 2003 10:59:03 -0500 From: Bosko Milekic <bmilekic@unixdaemons.com> To: Robert Watson <rwatson@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: TCP connections timing out "real fast" Message-ID: <20030222105903.A85320@unixdaemons.com> In-Reply-To: <Pine.NEB.3.96L.1030222105049.83455B-100000@fledge.watson.org>; from rwatson@FreeBSD.org on Sat, Feb 22, 2003 at 10:57:05AM -0500 References: <Pine.NEB.3.96L.1030222105049.83455B-100000@fledge.watson.org>
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On Sat, Feb 22, 2003 at 10:57:05AM -0500, Robert Watson wrote: > > Don't yet have any quantitative evidence that this is the case, but I feel > like TCP sessions have been timing out on me a lot faster than they used > to. For example, yesterday a machine got unplugged from the network for > about 15 seconds: in that time, the SSH sessions to the machine timed out > and disconnected. This morning, a machine generated a lot of output to > the serial console keeping it substantially busy for about 20 seconds; in > that time, the SSH session to it timed out. I'm going to see if I can't > generate some tcpdump traces later today to confirm my suspicions, but was > wondering if anyone else (annecdotally or not) has seen similar things? > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > robert@fledge.watson.org Network Associates Laboratories I have (annecdotally) but I believe I'm seeing it on -STABLE too... it's tough to tell... how recent are your -CURRENT machines, though, and is it something that you think just started happening or has it been happening for a while now? FWIW, I can't say for sure that this is related to TCP connection timeouts. -- Bosko Milekic * bmilekic@unixdaemons.com * bmilekic@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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