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On Wed, 18 Oct 2006 18:16:04 +0100 Simon Waters <simon@xxxxxxxxxxxxxx> wrote: > DNS forwarders are mostly just a bad idea. I know when they should be > used, and have never needed to use one ;) Although I did once measure > the performance benefits of them with scientific precision. > > I don't think the problem is that one. > > I've actually seen something similar to Neil's problem a couple of times > before. > > One the DHCP was run before a PCMCIA wireless card was brought up. > Although I'd hope modern distros would have this one sorted. This meant > that the DHCP settings weren't acquired until a while after the Linux > box finished booting. > > The other was due to driver compatibility issues between wireless cards > on a network, where bugs meant one had to boot after the other. > > However I don't think the problem is likely as difficult as the wireless > one. My guess is the DHCP settings aren't being picked up at the right > time, or aren't being stored (not overriding /etc/resolv.conf) or similar. > > So Robin in on the right track, although I think the WinXP is a distraction. > > Boot the GNU/Linux box, when it isn't working get the network settings > with "ifconfig" "netstat -nr" and "cat /etc/resolv.conf", and when it > starts working get the same (and check the syslog to see if there are > any DHCP messages, or other network related messages). I'm pretty sure > the answer will be in that lot. > > More data - less speculation. > OK I will do that, except I am not sure how to check the syslog. I will print the output from the above commands both when I am running as normal and before I connect to the internet and then compare the outputs. As I have mentioned before, what puzzles me the most is that everything worked fine for three months from the day my broadband setup started. Then suddenly I had these problems. If there is some fundamental problem with the setup why didn't it fail from day one? Neil Winchurst > > > > > -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html