Date: Sat, 07 Nov 2009 19:23:45 +0100 From: umage <theultramage@gmail.com> To: Jason <jhelfman@e-e.com> Cc: freebsd-questions@freebsd.org Subject: Re: networking won't come back up until reboot after ISP outage Message-ID: <4AF5BB31.5090304@gmail.com> In-Reply-To: <20091107180710.GA1056@jason-helfmans-macbook-pro.local> References: <4AF57EB4.3070104@gmail.com> <20091107180710.GA1056@jason-helfmans-macbook-pro.local>
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On 7. 11. 2009 19:07, Jason wrote: > 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" >> Thank you for the hint, I will try it when this happens again. Note: the output of netstat -r was identical to what it is currently... FYI: I've been using freebsd 6.2 -> 7.2 until now, and I never had to intervene - the system resumed networking as usual. It might have something to do with migrating to 8rc1 (most likely not), or that I'm now using DHCP and there's a glitch somewhere (maybe).
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