Sub-pool or pool hierarchy

Sten Carlsen stenc at s-carlsen.dk
Mon Oct 14 18:59:37 UTC 2013


On 14/10/13 20.51, Doug Barton wrote:
> On 10/14/2013 11:46 AM, Sten Carlsen wrote:
>> You may want to look at the man page for dhcpd.conf, the following
>> example is taken from that:
>>
>> subnet 10.0.0.0 netmask 255.255.255.0 {
>>    option routers 10.0.0.254;
>>
>>   # Unknown clients get this pool.
>>    pool {
>>      option domain-name-servers bogus.example.com;
>>      max-lease-time 300;
>>      range 10.0.0.200 10.0.0.253;
>>      allow unknown-clients;
>>    }
>>
>>   # Known clients get this pool.
>>    pool {
>>      option domain-name-servers ns1.example.com, ns2.example.com;
>>      max-lease-time 28800;
>>      range 10.0.0.5 10.0.0.199;
>>      deny unknown-clients;
>>    }
>> }
>>
>> As you see here you can put options in subnets as well as pools. The
>> common options like router is in the subnet and the the more specific
>> options are in the pools together with the allows and denys.
>
> Wouldn't that require host declarations to define the known hosts?
No, being a member of a class can be specified here as well:
allow members of xyzzy;

I do use this for my network with 3 different routers to spread the load
and addresses evenly. I use 3 classes and subclass definitions for every
MAC. Very stable.

>
> Doug
>
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> dhcp-users at lists.isc.org
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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