Aside: Most of the clients on my LAN are still at Debian 5.0, as is my main
computer, which is where I was having this problem. I don't think the issue
is Debian 5.0 specific, but I guess it could be.
Background:
I recently made some changes to my LAN, including a change from using static
IP addresses to having dynamic IP addresses assigned by a DHCP (in the
router). I also changed from RCN (cable) to Earthlink (DSL) as my ISP.
As you may or may not know, at least in some cases, Earthlink uses the local
landline provider (in my case, Verizon) to actually provide the DSL service.
One problem: when my router requests an address on Earthlink's network (or is
it Verizon's network--I'm not really sure), it gets an IP address and it gets
DNS server addresses, but those DNS server addresses are Verizon's and not
Earthlinks.
I've resolved that problem by learning that I can designate DNS addresses in
the router--so I've put in Earthlinks DNS addresses and these are served
properly to the clients on the LAN.
Leading up to my question: But, before I realized I could set those DNS
addresses in the router, I was attempting to override those addresses on the
local computers. I did things like:
* put the address in /etc/resolv.conf: Doesn't work because it seems
resolv.conf is periodically overwritten, I'm guessing when the DHCP lease is
renewed.
* put the addresses in a line in /etc/network/interfaces, as below, but
that didn't do the job:
dns-nameservers 207.69.188.185 207.69.188.186
My question: is there a way, in a client computer being given a dynamic IP
address from DHCP, to override the DNS addresses provided by the DHCP server?
Thanks!
Randy Kramer
Aside: I am having an intermittent problem with my network--it is possible it
is related to the Verizon nameservers. If switching to the Earthlink
nameservers doesn't solve the problem I will start another thread explaining
the problem (and what I've done so far to attempt to solve it).
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