Re: DNS problem on local network

[David Brodbeck <brodbd@u.washington.edu>]

On Aug 6, 2007, at 10:50 AM, Adam Hardy wrote:
> > Please send us your /etc/hosts file.  Every box needs a minimal
> > /etc/hosts file with at least its own hostname (though I'v never used
> > DHCP).  The box running dnsmasq should have all the hosts on your
> > network listed in /etc/hosts for dnsmasq to read.
>
> adam@gondor:~$ cat /etc/hosts
> 127.0.0.1       localhost localhost.localdomain
>
> # The following lines are desirable for IPv6 capable hosts
> ::1     ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
> ff02::3 ip6-allhosts
>
> So I should put gondor in there on the same line as the localhost?
>
> And on the dnsmasq box it's the same. I can enter the IP address of  
> the box's NIC on the internal network into /etc/hosts because it's  
> fixed, but all the DHCP clients?

If the machine has a fixed IP, you want that on the /etc/hosts line  
for its name, generally speaking.  Putting it on the same line as  
127.0.0.1 can confuse some software.

So if you have a machine named foo.bar.net with an IP of  
192.168.127.50, the /etc/hosts entry would look like this:

192.168.127.50	foo.bar.net foo

This associates the names "foo.bar.net" and "foo" with that IP.

I'm not entirely clear on what you're trying to do, but dnsmasq can  
probably serve DNS records for your DHCP clients if you configure it  
properly.  If you explain a little more what you're trying to do and  
what's not working I might be able to help more.