Modification in dhcpd.conf does not update ddns
bernard.fay at gmail.com
Thu Jan 28 18:23:59 UTC 2016
I have DDNS and DHCPD setup and it works ok so far.
But, while testing the integration of dhcpd and dns, I found that if I
change the IP address in dhcpd.conf for a previously configured client the
change is not reflected in DNS once the client receive the new IP.
For example, host A is initially configured to use 192.168.1.100. Host A is
booted and receive IP 192.168.1.100 as expected. If host A does a nslookup
on A, it received 192.168.1.100. Everything is ok so far.
Something happen, whatever it is, and the IP address of host A is changed
to 192.168.1.222. Host A is rebooted and received its new IP address.
ifconfig eth0 shows 192.168.1.222. So far so good. Now host A does a
nslookup on A. nslookup shows up 192.168.1.100. Ooops!!! Wrong address!
Did I made something wrong in the configuration or a specific action, say a
command, should be made to update the DNS files?
I hope I was clear enough.
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