Hi. I set up a Linux Router running Mandrake 10. On one interface, I am connected to my ISP and I am getting his DNS servers via DHCP. They are listed in /etc/resolv.conf.

I am running my own caching nameserver for my local network and I filled in my ISP's DNS servers in the named.conf as forwarders. This works nice, however, I am using not only one ISP and therefore I have to change the forwarders quite often.

Is there any way to do this automatically that the forwarders in named.conf are automatically updated by those who are standing in /etc/resolv.conf?

Thanks, Chris.

I am still having the problem. Anyone can help?

Let's say ISP1 has 2 DNS servers: 11.11.11.11 and 22.22.22.22
...and ISP2 also has 2 DNS servers: 33.33.33.33 and 44.44.44.44

Have your tried simply adding all 4 (theoretical) DNS servers as forwarders in your named.conf file? From how I understand DNS works, if 1 forwarder fails, it goes on to the next, and then the next...

Hey, that sounds quite good. I will give it a try!