Subdomains for DHCP-enabled clients

Phusion phusion2k at gmail.com
Tue Apr 3 15:10:01 UTC 2007


I have been working on setting up DHCP and DNS and have been having
problems with dynamic DNS for the DHCP enabled clients. I have a zone
file for test.com for servers, etc, and another zone for DHCP-enabled
clients named mdnlan.test.com. Currently, the DHCP-enabled clients get
an IP address and have a computer name of hostname.mdnlan.test.com.
These clients use dynamic DNS and update the mdnlan.test.com zone
file. Servers have DNS names of hostname.test.com and accordingly are
in the test.com zone file. Here is an example of what I can't get
working. Here are the computer names.

DNS server = smdndns.test.com
Test PC (DHCP client) = testpc.mdnlan.test.com

Ping from testpc.mdnlan.test.com to smdndns = fails
Ping from testpc.mdnlan.test.com to smdndns.test.com = works

Ping from smdndns.test.com to testpc = fails
Ping from smdndns.test.com to testpc.mdnlan.test.com = works

I assume the problem has to do with the domain suffix or domain search
list. How can I go about changing this on the server so computers on
both domains can talk to each other. Also, I would prefer not to have
to manually add the server entries to both the test.com zone and the
mdnlan.test.com zone file.

Phusion



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