queer dns access problem

[Bill Tangren]

> Can you ping your DNS server from the broken box?

No! (Well, I can from the not broken box.) I have to talk to the network
guy. Thanks!


>
> Kris
>
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Bill Tangren
> Sent: Monday, December 10, 2007 9:01 AM
> To: redhat-list at redhat.com
> Subject: queer dns access problem
>
> I have two servers that are set up in the same way, except that the one
> that is working properly is running RHEL ES 4.6 while the other is
> running
> 4.5. I can't update the latter, because DNS is not working properly.
> Ordinarily I would poke around until I found the problem, and not bother
> y'all, but I'm stumped as to what the problem could be. Except for MAC
> address and IP number, the /etc/hosts, /etc/sysconfig/network,
> /etc/resolv.conf, and /etc/sysconfig/network-scripts/ifcfg-eth0 files
> are
> identical. Neither run a DNS service. Both are on the same subnet. Both
> boxes are running iptables, but turning off iptables doesn't help. I can
> ssh into, and ping the broken box. I can ssh out of that box too, if I
> use
> ip numbers. When I try to do an nslookup on the broken box, all I get
> is:
>
> ;; connection timed out; no servers could be reached.
>
> Could someone give me a few clues as to where to look to diagnose this
> problem?
>
> --
> Bill Tangren
> U.S. Naval Observatory
>
> Auribus tenere lupum
>
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-- 

Bill Tangren
U.S. Naval Observatory

Auribus tenere lupum