Mailinglist Archive: opensuse (882 mails)

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Re: [opensuse] HUmm nothing is as simple as it used to be DNS server 11.3
  • From: "David C. Rankin" <drankinatty@xxxxxxxxxxxxxxxxxx>
  • Date: Thu, 09 Dec 2010 02:55:42 -0600
  • Message-id: <4D00998E.7030500@xxxxxxxxxxxxxxxxxx>
On 12/08/2010 11:49 AM, Peter Nikolic wrote:
Hi once again ..!

I need to get a working DNS server on an internal network port that has
absolutely zero effect at all on a wlan connection (just happens to be my
outside connection and gets it's ip from the wireless router)

the ethernet port i want to hang my NAS device off needs to have a dns server
on it . now on 10.1 this was an absolute whiz simple as you like but now
11.3 Oh boy how the heck does one setup a dns on 11.3 that talks to eth0
only with a base address of

it must have no effect at all on wlan0

Pete .

Uuhg.. dunno?

I would tell you to let bind provide addresses for both wired and
I've never had reason to do one but not the other. I always figured it was
better to have name resolution handled in one spot for the whole subnet. I can't
say enough about the relatively painless setup of bind configured to receive
dynamic updates from dhcpd using t-sig keys.

You then have one central dns mechanism and can use dhcpd.conf for fine
control of the address space. Generally, the only tweaks that I do other than
separating the fixed/dynamic address ranges it to assign specific fixed
addresses to hosts based on mac addresses that lets me guarantee that a specific
box gets a specific address handed out when they show up on the network. e.g.:

host {
hardware ethernet 00:11:f5:15:2d:83;

guarantees my old Tosh laptop gets .101 assigned even though it is coming in
over a wireless link while:

host {
hardware ethernet 00:21:85:14:F0:FE;

my son's box gets 106 coming in over a wired link.

Is there any reason you couldn't use a standard setup like that? If so,
could set it up once and then just forget about it for years..... It just keeps

David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
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