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Old 06-22-2006, 09:24 AM   #1
Registered: May 2006
Location: Skippack
Distribution: SuSE Linux 11.1
Posts: 63

Rep: Reputation: 15
DHCP/DNS collision - SuSE10.0

I have a SuSE box which must (thanks to Comcast - ISP) use DHCP for DNS. In resolv.conf the SuSE box has the entry IP and is called " wxsat". My WinXP boxes, in the same / net, could, prior to my upgrading wxsat from SuSE 9.2 to 10.0, resolve a reference to "wxsat" correctly. Now I cannot resolve wxsat (e.g., when using wxsat as a POP3 host on my LAN) but can ping or access without a problem. What did I change or break when I went from SuSE 9.2 (which also used DHCP for DNS) to SuSE 10.0? How do I make the name "wxsat" known on my LAN again?
Old 06-23-2006, 02:46 PM   #2
Registered: Jul 2003
Location: Miami, Florida, USA
Distribution: Debian
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To translate names to ip addresses and vise versa, you can use two methods:

1. Put the host name and ip address in the /etc/hosts file in Linux and c:\windows\system32\drivers\etc\hosts in Windows.

2. Configure DNS.

Option 1 is OK for small networks but for it can get out of control after more than 10 computers, because you have to keep updating the hosts files manually. By the way, this is how domain names started, with one static hosts file; that's how it was until a few thousdand computers where referencing each other then DNS was rolled out.

You may want to read a couple of howto's on DNS.
Old 06-23-2006, 05:24 PM   #3
Registered: May 2006
Location: Skippack
Distribution: SuSE Linux 11.1
Posts: 63

Original Poster
Rep: Reputation: 15
Doh!!! I should have thought of /etc/hosts! Sigh... that's what comes from mostly doing updates and not fresh installs... Anyway, thanks. Of course that fixed it.


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