[K12OSN] nic change dhcp fails now

john lists.john at gmail.com
Fri Apr 6 15:22:55 UTC 2007

Hi Barry,

Just a shot in the dark but if you do ifconfig on eth0 and then compare it
to the eth0 specification in /etc/iftab are they the same? If not they
should be.


On 4/6/07, cisna-barry at wc235.k12.il.us <cisna-barry at wc235.k12.il.us> wrote:
> Hello All,
> After changing a nic in one of our servers, ( went to a 1000mb nic)on
> eth0,now dhcp fails to start. I of course added this nic ( after removing
> in network-config, the original eth0), as eth0. Now dhcpd fails to start.
> I have looked through the dhcp-k12ltsp.conf file,everything /syntax looks
> correct. I looked in /etc/sysconfig/network/default/eth0 and that looks
> correct. The system messages gives error" You must list ddns-config" &
> "you have not declared a subnet declaration on eth0 or eth1" ( which I
> have seen in the past and dhcp still works) or something similar. I  dont
> have access to this server right now.
> I have even copied/pasted a working dhcp-k12ltsp.conf file into this
> server as well. ( I have in the past edited the dhcp.conf ,and everything
> looks correct, but dhcp failed then too. Replacing the dhcp.conf fixed the
> dhcp statup problem. Dont know if it was whitespaces or what at that time.
> That has been many moons ago,though.
> I also done an rpm -ivh --force dhcp* and rpm -ivh --force
> dhcp-k12ltsp-conf* to reinstall the two dhcp rpm's for k12ltsp.
> K12LTSP v. 5.0 32bit
> Thanks,
> Barry Cisna
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