From: Mike Viau on 1 Apr 2010 20:40 Mon, 29 Mar 2010 20:47:40 +1100 <alex(a)samad.com.au> wrote: > On Mon, Mar 29, 2010 at 3:00 AM, Mike Viau <viaum(a)sheridanc.on.ca> wrote: > > Could there be an issue with MTU size? > > > don't thing so > > [snip] > > > > My findings. > > > > # dig @10.254.2.254 google.com > > > > ; <<>> DiG 9.4.3-P2 <<>> @10.254.2.254 google.com > > ; (1 server found) > > ;; global options: printcmd > > ;; Got answer: > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27942 > > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > > > > ;; QUESTION SECTION: > > ;google.com. IN A > > > > ;; ANSWER SECTION: > > google.com. 55 IN A 66.249.91.104 > > > > ;; Query time: 4 msec > > ;; SERVER: 10.254.2.254#53(10.254.2.254) > > ;; WHEN: Fri Mar 26 01:02:53 2010 > > ;; MSG SIZE rcvd: 44 > [snip] > > > > So DNS does work on this box, as it forward DNS replies to other boxes on my > > local network. > > > > What should I do next? Any ideas? > > try the dig command from one of the boxes that can't get dns, follow the packet with tcpdump > > all you have shown above is that your router can get dns > I do appreciate your assistance (everyone)! Looks like I found where the problem was. It was my /etc/network/interfaces file and how I was creating bridges on VLANs. The configuration that works despite "File exists errors" during system boot was: auto eth1.200 iface eth1.200 inet manual auto br200 iface br200 inet static address 10.254.2.1 netmask 255.255.255.0 network 10.254.2.0 broadcast 10.254.2.255 gateway 10.254.2.254 dns-nameservers 10.254.2.254 dns-search site bridge-ports eth1.200 The configuration that does not works despite no errors during system boot was: iface eth1.200 inet manual auto br200 iface br200 inet static address 10.254.2.1 network 10.254.2.0 netmask 255.255.255.0 broadcast 10.254.2.255 gateway 10.254.2.254 dns-nameservers 10.254.2.254 dns-search site bridge-ports eth1.200 Any idea on how the working configuration could be modified to work and not leave "File exists errors" during system boot? Thanks. -M _________________________________________________________________ Check your Hotmail from your phone. http://go.microsoft.com/?linkid=9712957
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