Shared Network Question

[Clayton Keller]

Glenn Satchell wrote:
>> Date: Mon, 06 Aug 2007 10:29:54 -0500
>> From: Clayton Keller <inetadmin at ruraltel.net>
>> To: dhcp-users at isc.org
>> Subject: Shared Network Question
>>
>> I have a setup in which a DHCP request is coming in from a Relay Agent 
>> IP address of 192.168.121.2, however, I'd like to assign it an address 
>>from a 10.10.45.0 subnet.
>> My understanding was I could use a shared-network to handle this type of 
>> situation. We are also looking at using some Option 82 info as well.
>>
>> Here is my configuration for the shared network:
>>
>> shared-network Lab
>> {
>>         subnet 192.168.121.0 netmask 255.255.255.128
>>         {
>>         }
>>
>>         class "Test"
>>         {
>>                 match if option agent.circuit-id = "XXXX";
>>         }
>>
>>         subnet 10.1.45.0 netmask 255.255.255.0
>>         {
>>                 default-lease-time 1800;
>>                 max-lease-time 3600;
>>                 option routers 10.1.45.1;
>>                 option broadcast-address 10.1.45.255;
>>
>>                 pool
>>                 {
>>                         failover peer "failover";
>>                         deny dynamic bootp clients;
>>                         allow members of "XXXX";
>> 			range 10.1.45.10 10.1.45.254;
>>                 }
>>         }
>> }
>>
>> When I have this config loaded on both dhcpd servers, the following 
>> response is seen from the logs when the discover packet is received.
>>
>> dhcpd: DHCPDISCOVER from xx:xx:xx:xx:xx:xx via 192.168.121.2: peer holds 
>> all free leases
>>
>> I'm not sure if I'm not setting this up properly, or if this is a viable 
>> option to the setup we are working with regarding the incoming traffic.
> 
> The class is called "Test" but you're allowing members of "XXXX". You
> should allow members of "Test". All others are implicitly denied,
> including your Test class.
> 
> Also classes are usually defined in the global scope, but I don't think
> that is the immediate problem.
> 
> regards,
> -glenn
> --
> Glenn Satchell     mailto:glenn.satchell at uniq.com.au | Some days we are
> Uniq Advances Pty Ltd         http://www.uniq.com.au | the flies;  some
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> 
> 

Thank you for the input. My immediate issue was that of a non-matching 
Option 82 value. Once corrected, all was functioning as expected.