From owner-freebsd-questions Fri Nov 8 11:34: 9 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 37F4437B50D for ; Fri, 8 Nov 2002 11:34:08 -0800 (PST) Received: from chen.org.nz (chen.org.nz [210.54.19.51]) by mx1.FreeBSD.org (Postfix) with ESMTP id 55EE643E4A for ; Fri, 8 Nov 2002 11:34:07 -0800 (PST) (envelope-from jonc@chen.org.nz) Received: from grimoire.chen.org.nz (localhost [127.0.0.1]) by chen.org.nz (8.12.6/8.12.6) with ESMTP id gA8JXj9j042560; Sat, 9 Nov 2002 08:33:45 +1300 (NZDT) (envelope-from jonc@grimoire.chen.org.nz) Received: (from jonc@localhost) by grimoire.chen.org.nz (8.12.6/8.12.6/Submit) id gA8JXjRF042559; Sat, 9 Nov 2002 08:33:45 +1300 (NZDT) Date: Sat, 9 Nov 2002 08:33:45 +1300 From: Jonathan Chen To: Michael Owens Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Unresponsive when default route is down Message-ID: <20021108193345.GA42436@grimoire.chen.org.nz> References: <200211081109.23830.mike@mikesclutter.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200211081109.23830.mike@mikesclutter.com> User-Agent: Mutt/1.4i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Nov 08, 2002 at 11:09:23AM -0600, Michael Owens wrote: > I have a 4.4 STABLE machine with a Sangoma WANPipe, configured as a router, > using IPNAT/IPF. Up until last week, it had a 370+ day uptime, no problems > whatsoever. Since last week, I have had problems with our upstream provider > -- the link has gone down several times. > > The problem is that when the link goes down, within five or ten minutes the > router's network services become unreponsive. I can't SSH in, can't ping, the > DHCP and interal DNS services are non-repsonsive - nothing. Not only does is > not route, it does not communicate with any hosts on the LAN. Is it trying to > reverse DNS via the default route and freezing there? Possibly. Have you set up an internal DNS for your LAN? As a general rule, every LAN should have internal DNS instead of resolving off the 'Net directly. Cheers. -- Jonathan Chen ---------------------------------------------------------------------- "Irrationality is the square root of all evil" - Douglas Hofstadter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message