Earlier you said you could ssh out of the broken box. Can you ssh to the same segment or to a remote network? Can you log in to the box twice and start a packet capture while you attempt a dns lookup? This might show us if it is related to firewalling or routing. Ian ----- "Bill Tangren" <bjt@xxxxxxxxxxxxx> wrote: > > On Dec 13, 2007 8:02 AM, Bill Tangren <bjt@xxxxxxxxxxxxx> wrote: > > > >> > > >> > OK. Is the /8 netmask a cut and paste error too? > >> > >> No, it is correct. > >> > >> > > >> > Your trouble could be a routing issue: 10.1.5.58/8 and > 10.1.1.46/8 are > >> > on the same subnet as far as the network layer is concerned so > there > >> is > >> > no reason to go to the default route. Thats why I asked for a > >> > traceroute too -- or mtr if you have it installed and it will > work. > >> > > >> > # mtr -rnc 10 DNS.SERVER.IP.ADDRESS > >> > > >> > What netmask is the firewall using for the interface? > >> > >> > >> When the network guy comes in this afternoon, I'll ask. This still > >> doesn't > >> explain why it works for one machine, but not the other, when both > are > >> set > >> the same. > > > > I am assuming you've done the usual stuff > > > > double checked /etc/resolv.conf > > > > checked /etc/nsswitch.conf > > > Did these two. > > > > > Pinged the default gateway. > > > > Ping is shut off on the gateway. I'll ask the firewall guy to turn it > on > long enough to test this. > > > Checked the network cabling back to the switch. > > Yes, other computers work just fine with this cabling. > > > > > Checked the patch cable. > > > > Patch cable? What is that? > > > ifconfig to make sure the interface is actually up. > > > > yep. > > > ethtool to check that speed and duplex are as expected. > > > > Didn't think to do this. Will try it on Monday. > > > Can't think of anything else offhand. > > > > Thanks for the help. > > > -- > > Stephen Carville > > > > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list