From owner-freebsd-net@FreeBSD.ORG Thu Oct 21 16:45:50 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8C3A116A4CE for ; Thu, 21 Oct 2004 16:45:50 +0000 (GMT) Received: from mailhost.nmt.edu (mailhost.nmt.edu [129.138.4.52]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1FF5643D1D for ; Thu, 21 Oct 2004 16:45:50 +0000 (GMT) (envelope-from wcolburn@nmt.edu) Received: from icewing.nmt.edu (icewing.nmt.edu [129.138.4.102]) by mailhost.nmt.edu (8.13.0/8.13.0) with ESMTP id i9LGjmvt030175 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 21 Oct 2004 10:45:49 -0600 Received: from icewing.nmt.edu (localhost [127.0.0.1]) by icewing.nmt.edu (8.12.8/8.12.8) with ESMTP id i9LGjmMG020471 for ; Thu, 21 Oct 2004 10:45:48 -0600 Received: (from wcolburn@localhost) by icewing.nmt.edu (8.12.8/8.12.8/Submit) id i9LGjmOf020469 for freebsd-net@freebsd.org; Thu, 21 Oct 2004 10:45:48 -0600 Date: Thu, 21 Oct 2004 10:45:48 -0600 From: "William D. Colburn (aka Schlake)" To: freebsd-net@freebsd.org Message-ID: <20041021164548.GA20454@nmt.edu> References: <20041021145654.GA19657@nmt.edu> <20041021163601.GA88117@proxy.netroad.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041021163601.GA88117@proxy.netroad.ru> User-Agent: Mutt/1.4.2.1i Subject: Re: 9 second ping lag unless I run tcpdump on RELENG_5 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2004 16:45:50 -0000 I've been running 5.3 for over a month now. I only noticed this after 5.3-RELEASE came out. It could be the card, I'll try to swap it and see what happens. On Thu, Oct 21, 2004 at 08:36:01PM +0400, Lenar D. Tukhvatullin wrote: >Date: Thu, 21 Oct 2004 20:36:01 +0400 >From: "Lenar D. Tukhvatullin" >To: "William D. Colburn (aka Schlake)" >Cc: freebsd-net@freebsd.org >Subject: Re: 9 second ping lag unless I run tcpdump on RELENG_5 > >On Thu, Oct 21, 2004 at 08:56:54AM -0600, William D. Colburn (aka Schlake) wrote: >> I have a RELENG_5 box on my desk. Unless I run the tcpdump program, it >> responds progressively slower on the network. This seemed like the most >> appropriate list to post this question too. >> >> This morning, for instance, it had a 9 second ping response time from a >> machine on the same network segment as it when I came into work. As >> soon as I typed 'tcpdump' on the freebsd box the ping time dropped to >> nearly instantaneous. I killed tcpdump and let it run for a while. >> About a thousand seconds later it suddenly jumped to 1 second, then to 2 >> seconds. As soon as I ran tcpdump again it dropped back to normal. >> >> The uname ids it as 5.3-STABLE #14: Wed Oct 20 10:23:11 UTC 2004, >> with a GENERIC kernel. I did a new cvsup (along with a tcpdump because >> otherwise cvsup fails) this morning and nothing new came across. > >tcpdump (by default) puts interface into promiscuous mode. >(or you can set this mode by hand: ifconfig promisc) > >Maybe your ethernet card broken? Try to replace it. > >-- >Lenar D. Tukhvatullin >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -- William Colburn, "Sysprog" Computer Center, New Mexico Institute of Mining and Technology http://www.nmt.edu/tcc/ http://www.nmt.edu/~wcolburn