From owner-freebsd-questions@FreeBSD.ORG Sat Nov 7 18:07:12 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 303391065679 for ; Sat, 7 Nov 2009 18:07:12 +0000 (UTC) (envelope-from jhelfman@e-e.com) Received: from mail.experts-exchange.com (mail.experts-exchange.com [64.156.132.251]) by mx1.freebsd.org (Postfix) with ESMTP id 1B0E28FC14 for ; Sat, 7 Nov 2009 18:07:11 +0000 (UTC) Received: from eggman.experts-exchange.com (unknown [75.15.156.141]) by mail.experts-exchange.com (Postfix) with ESMTP id 88DA74A309C8; Sat, 7 Nov 2009 09:08:34 -0800 (PST) Received: by eggman.experts-exchange.com (sSMTP sendmail emulation); Sat, _d Nov 2009 10:07:11 -0800 Date: Sat, 7 Nov 2009 10:07:11 -0800 From: Jason To: umage Message-ID: <20091107180710.GA1056@jason-helfmans-macbook-pro.local> References: <4AF57EB4.3070104@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <4AF57EB4.3070104@gmail.com> X-Operating-System: Darwin 9.8.0 X-Living-The-Dream: I love the SLO Life! User-Agent: Mutt/1.5.20 (2009-06-14) Cc: freebsd-questions@freebsd.org Subject: Re: networking won't come back up until reboot after ISP outage X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Nov 2009 18:07:12 -0000 Have you tried restarting routing? /etc/rc.d/routing restart I have found the same symptoms with other outages and not performing the above. I have done "/etc/rc.d/netif restart" and "/etc/rc.d/routing restart". Wtih using these commands, I have found this to be successful in restoring network interfaces communication, without having to reboot. Hope this helps. On Sat, Nov 07, 2009 at 03:05:40PM +0100, umage thus spake: >Hello. I have had 3 network outages this week, and everytime it >happened, I found that my freebsd8rc1 machine/router was unable to >communicate over the WAN interface even after the outages ended. A >reboot helps, but that's not an acceptable solution. > >The symptoms are very weird: even though dhclient successfully >receives a dhcp lease and sets up the interface, I am unable to ping >the gateway. The ifconfig utility says the interface is up and >configured correctly; netstat -arn says routes are set up as they >should be; and tcpdump reports random network traffic arriving on the >interface (so the network itself is up and running). Taking the >interface down and back up doesn't help, reloading ipfw rules doesn't >help. > >I have some more things to test - whether tcpdump reports any >attempts at outgoing traffic, and whether disconnecting/reconnecting >the network cable will do anything. And maybe reverting ipfw rules to >what I've been using before. Other than this, I have no idea what >else to do... >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >