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List:       dhcp-client
Subject:    Re: Dynamic DNS and DHCP
From:       Max TenEyck Woodbury <max () mtew ! adsl ! duke ! edu>
Date:       2002-12-03 21:08:42
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Kevin C Miller wrote:
> 
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> 
> I think it would be helpful if you could post the relevant log file entries
> you refer to, as well as a better description of your environment (ie: do
> you expect the clients to hand you the hostname to update or is it being
> specified in the configuration file, etc). Relevant sections of dhcpd.conf
> would be helpful as well.
> 

Logs edited to make 'em fit on a page nicely.

This is what happens when a RH Linux 7.2 or 8.0 machine boots:

11:20:07 dhcpd: DHCPREQUEST for 10.0.1.2 from 00:50:56:00:00:05 via eth0
11:20:08 dhcpd: DHCPACK on 10.0.1.2 to 00:50:56:00:00:05 via eth0

This is what happens when a Windows 98 machine boots:

11:53:15 dhcpd: DHCPDISCOVER from 00:50:56:00:00:04 (DAVID98) via eth0
11:53:16 dhcpd: DHCPOFFER on 10.0.1.3 to 00:50:56:00:00:04 (DAVID98) via eth0
11:53:16 dhcpd: if IN A DAVID98.localdomain. domain doesn't exist add 10800 IN A 
	DAVID98.localdomain. 10.0.1.3 add 10800 IN TXT DAVID98.localdomain. 
	"31d49960d9564a4af4c16f5f63900bf925": success.
11:53:19 dhcpd: delete IN PTR 3.1.0.10.<fqname> add 10800 IN PTR
3.1.0.10.<fqname> 
	DAVID98.localdomain.: timed out.
11:53:19 dhcpd: DHCPREQUEST for 10.0.1.3 (10.0.0.2) from 00:50:56:00:00:04 
	(DAVID98) via eth0
11:53:19 dhcpd: DHCPACK on 10.0.1.3 to 00:50:56:00:00:04 (DAVID98) via eth0
11:53:19 dhcpd: if IN A DAVID98.localdomain. domain doesn't exist add 10800 IN A 
	DAVID98.localdomain. 10.0.1.3 add 10800 IN TXT DAVID98.localdomain. 
	"31d49960d9564a4af4c16f5f63900bf925": domain already exists.
11:53:19 dhcpd: if IN TXT DAVID98.localdomain.
"31d49960d9564a4af4c16f5f63900bf925"
	rrset exists delete IN A DAVID98.localdomain. add 10800 IN A
	DAVID98.localdomain. 10.0.1.3: success.
11:53:21 dhcpd: delete IN PTR 3.1.0.10.<fqname> add 10800 IN PTR
3.1.0.10.<fqname>
	DAVID98.localdomain.: timed out.
11:53:21 dhcpd: DHCPREQUEST for 10.0.1.3 (10.0.0.2) from 00:50:56:00:00:04 
	(DAVID98) via eth0
11:53:21 dhcpd: DHCPACK on 10.0.1.3 to 00:50:56:00:00:04 (DAVID98) via eth0
14:24:10 named[996]: client 10.0.0.3#1431: transfer of 'localdomain/IN': IXFR
started

There's probably more going on here than there needs to be because I've turned
off
optimization, but the basic pattern is quite clear.

As I said originally, I think it's a client setup problem, but There might be
something
I can do on the server side as well. I sent the original question to both lists.
Let's 
see If I've set the Reply-to correctly this time...

Let's see if I can figure it out...
Boot unpatched RH 7.2 once: Same as 1st log example except for time and MAC
address.
After much experimentation, added DHCP_HOSTNAME="${HOSTNAME%%.*}" to ifcfg-eth0

That did it!

With one working, I can probably get 'em all working.

mtew
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