Date: Sat, 9 Nov 2002 08:33:45 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Michael Owens <mike@mikesclutter.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Unresponsive when default route is down Message-ID: <20021108193345.GA42436@grimoire.chen.org.nz> In-Reply-To: <200211081109.23830.mike@mikesclutter.com> References: <200211081109.23830.mike@mikesclutter.com>
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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 <jonc@chen.org.nz>
----------------------------------------------------------------------
"Irrationality is the square root of all evil"
- Douglas Hofstadter
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