F8 Network Woe

Aaron Konstam akonstam at sbcglobal.net
Tue Dec 11 21:22:14 UTC 2007


On Tue, 2007-12-11 at 16:07 +0000, Jonathan Allen wrote:
> On Tue, Dec 11, 2007 at 09:46:34AM -0600, Aaron Konstam wrote:
> >
> > Did you not say you had stopped NM from running.
> 
> Yes I did and NM is not running.
> 
> > Go to another machine and run dig on the contested ip address and find out
> > what its name of the machine. You can also find out its machine address.
> 
>    # dig 192.168.1.6
>    ; <<>> DiG 9.2.3 <<>> 192.168.1.6
>    ;; global options:  printcmd
>    ;; Got answer:
>    ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21219
>    ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
> 
>    ;; QUESTION SECTION:
>    ;192.168.1.6.                   IN      A
> 
>    ;; AUTHORITY SECTION:
>    .                       10240   IN      SOA     a.root-servers.net. nstld.verisign-grs.com. 2007121100 1800 900 604800 86400
> 
>    ;; Query time: 34 msec
>    ;; SERVER: 158.152.1.58#53(158.152.1.58)
>    ;; WHEN: Tue Dec 11 16:05:44 2007
>    ;; MSG SIZE  rcvd: 104
> 
> I am not sure what that has told me.
> 
> Jonathan
> 
You are right. I sent you to the wrong command.
host 192.168.1.6
or
nslookup 192.168.1.6

What we are looking foe is something like:

[akonstam at cyrus ~]$ host  131.194.71.168
168.71.194.131.in-addr.arpa domain name pointer cs.trinity.edu.
168.71.194.131.in-addr.arpa domain name pointer sol.cs.trinity.edu.
 or
[akonstam at cyrus ~]$ nslookup 131.194.71.168
Server:         192.168.1.254
Address:        192.168.1.254#53

Non-authoritative answer:
168.71.194.131.in-addr.arpa     name = cs.trinity.edu.
168.71.194.131.in-addr.arpa     name = sol.cs.trinity.edu.

which would tell us the name of the machine using that ip address.
--
 =======================================================================
Shannon's Observation: Nothing is so frustrating as a bad situation that
is beginning to improve.
=======================================================================
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at sbcglobal.net




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