Re: Working network connectivity, not working DNS resolutions

2010-03-29 Thread alex
On Mon, Mar 29, 2010 at 3:00 AM, Mike Viau 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<<- opc

RE: Working network connectivity, not working DNS resolutions

2010-03-28 Thread Mike Viau
Could there be an issue with MTU size? Also has anyone witnessed a similar problem where a network is able to ping as well as lease an IP from a dchp server, but can not query the DNS service from the same server as the DHCP (no firewalling or ACLs in place) ? -M Fri, 26 Mar 2010 20:52

RE: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Mike Viau
Thu, 25 Mar 2010 20:55:24 -0400 wrote: > > > r...@localhost:~# tcpdump -pni br200 host 10.254.2.254 > > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > > listening on br200, link-type EN10MB (Ethernet), capture size 96 bytes > > 20:05:40.718890 IP 10.254.2.1.405

Re: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Tom H
> r...@localhost:~# tcpdump -pni br200 host 10.254.2.254 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on br200, link-type EN10MB (Ethernet), capture size 96 bytes > 20:05:40.718890 IP 10.254.2.1.40570 > 10.254.2.254.53: 57874+ A? google.com. > (28) > 20:0

RE: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Mike Viau
Thu, 25 Mar 2010 19:00:51 -0400 wrote: > >> Why not add a dns-nameservers to "iface br200"? > > > Updated my /etc/network/interfaces with: > > # INTERNAL LAN VLAN/BRIDGE > > iface eth1.200 inet manual > > auto br200 > > iface br200 inet static > > dns-nameservers 10.254.2.254 > > address 10.25

RE: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Mike Viau
Fri, 26 Mar 2010 09:22:26 +1100 wrote: > > On Fri, Mar 26, 2010 at 5:54 AM, Mike Viau wrote: > > Hello debian-users, > > > > I have run into an interesting issue with the DNS resolution on only one of > > my debian lenny systems on my network. > > > [snip] > > So 10.254.2.254 is router, d

Re: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Tom H
>> Why not add a dns-nameservers to "iface br200"? > Updated my /etc/network/interfaces with: > # INTERNAL LAN VLAN/BRIDGE > iface eth1.200 inet manual > auto br200 > iface br200 inet static >  dns-nameservers 10.254.2.254 >  address 10.254.2.1 >  netmask 255.255.255.0 >  network 10.254.2.0 >  bro

Re: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Alexander Samad
On Fri, Mar 26, 2010 at 5:54 AM, Mike Viau wrote: > Hello debian-users, > > I have run into an interesting issue with the DNS resolution on only one of > my debian lenny systems on my network. > [snip] So 10.254.2.254 is router, dgw, dns and it working 10.254.2.1 is machine you are on that can't

RE: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Mike Viau
Thu, 25 Mar 2010 14:19:18 -0500 wrote: > > On 2010-03-25 13:54, Mike Viau wrote: > > Hello debian-users, > > > > I have run into an interesting issue with the DNS resolution on only > > _one_ of my debian lenny systems on my network. > > > > I have confirmed that this system has working netw

RE: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Mike Viau
Thu, 25 Mar 2010 14:19:18 -0500 wrote: > > On 2010-03-25 13:54, Mike Viau wrote: > > Hello debian-users, > > > > I have run into an interesting issue with the DNS resolution on only > > _one_ of my debian lenny systems on my network. > > > > I have confirmed that this system has working netwo

Re: Working network connectivity, not working DNS resolutions

2010-03-25 Thread Ron Johnson
On 2010-03-25 13:54, Mike Viau wrote: Hello debian-users, I have run into an interesting issue with the DNS resolution on only _one_ of my debian lenny systems on my network. I have confirmed that this system has working network connectivity but I would like to restore the ability to query D