DHCP server serving out incorrect DNS for scope

[Simon Hobson]

Bracey, John wrote:

>We have a college that uses the Campus provided DHCP, but their own 
>DNS servers.  In the DHCP scope config for this college we override 
>the DNS servers that are configured in the global DHCP settings with 
>the colleges DNS servers (see configlet below signature).  Server 
>version is Internet Systems Consortium DHCP Server V3.0.1.

That version is really ancient, it is many many years old and there 
have been something like 8 releases since with many bug fixes. You 
should really upgrade to a later version (3.0.8 ? or 3.1)

>The problem we're seeing is with the college's machines that are set 
>to hibernate.  When the machines come out of hibernation our server 
>is  serving them the wrong DNS settings (they get the global 
>settings instead of the scope defined settings).



>#
># Vlan#XXX - college .7
># 1/11/2008
>#
>group #"college-XXX"
>     {
>     allow unknown-clients;
>     subnet XXX.XXX.7.0 netmask 255.255.255.0
>         {
>         option routers          XXX.XXX.7.1;
>         pool {
>                 option routers  XXX.XXX.7.1;
>                 option  domain-name "college.csuchico.edu";
>                 option domain-name-servers XXX.XXX.7.10, XXX.XXX.2.12;
>                 option netbios-name-servers XXX.XXX.7.10;
>                 #failover peer "dhcp";
>                 deny dynamic bootp clients;
>                range   XXX.XXX.7.40    XXX.XXX.7.254;
>              }
>          }
>      }

This isn't enough to guess at the problem.