From owner-freebsd-net Sun Feb 25 8:34:39 2001 Delivered-To: freebsd-net@freebsd.org Received: from freesbee.wheel.dk (freesbee.wheel.dk [193.162.159.97]) by hub.freebsd.org (Postfix) with ESMTP id B740937B491 for ; Sun, 25 Feb 2001 08:34:32 -0800 (PST) (envelope-from jesper@skriver.dk) Received: by freesbee.wheel.dk (Postfix, from userid 1001) id 456473E55; Sun, 25 Feb 2001 17:34:31 +0100 (CET) Date: Sun, 25 Feb 2001 17:34:31 +0100 From: Jesper Skriver To: Jonathan Lemon Cc: net@freebsd.org Subject: Re: ICMP unreachables, take II. Message-ID: <20010225173431.A67100@skriver.dk> References: <20010222185412.E5714@prism.flugsvamp.com> <20010223034952.A6694@skriver.dk> <20010222212044.H5714@prism.flugsvamp.com> <20010223043405.B6694@skriver.dk> <20010223052012.A39613@skriver.dk> <20010224235618.C57625@skriver.dk> <20010225092355.W5714@prism.flugsvamp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010225092355.W5714@prism.flugsvamp.com>; from jlemon@flugsvamp.com on Sun, Feb 25, 2001 at 09:23:55AM -0600 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, Feb 25, 2001 at 09:23:55AM -0600, Jonathan Lemon wrote: > On Sat, Feb 24, 2001 at 11:56:18PM +0100, Jesper Skriver wrote: > > jesper@tam% time telnet 195.41.23.1 > > Trying 195.41.23.1... > > telnet: connect to address 195.41.23.1: No route to host > > telnet: Unable to connect to remote host > > 0.000u 0.020s 0:00.70 2.8% 88+164k 0+0io 12pf+0w > > > > But that is probably too fast, what if we delay the retransmit by say > > 100ms efter recieving the host unreachable ? > > I was thinking of a slightly more generic solution, something like > the patch below. This isn't explicitly tied to ICMP unreachables, > though. Looks good to me, and it cut's the timout from 75 secs to 12 secs when we get ICMP unreachables, and remain the 75 secs as it should, when we get no ICMP unreachables. /Jesper -- Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456 Work: Network manager @ AS3292 (Tele Danmark DataNetworks) Private: FreeBSD committer @ AS2109 (A much smaller network ;-) One Unix to rule them all, One Resolver to find them, One IP to bring them all and in the zone to bind them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message