How to set filters in the dhdpd.conf ?

[Ashmath Khan]

Can somebody please reply ? thanks.

2009/9/11 Ashmath Khan <hashmat.email at gmail.com>

> Hello everybody,
>
> I have this simple problem, and I want to edit my dhcpd conf file to run
> these settings. So i want to know what should go into the conf file.
>
> I have different sets of option groups. Say I have group 'A' which consists
> of following options:
> option xyx 123;
> option abc "isc.org";
> option pqr 567;
>
> and say group 'B':
> option xyz 222;
> option abc "gmail.com";
> option def 789;
>
> So i can have same option in different groups and with different value.
> Now, i want to define filters having these groups.
> Filter 1:
> Check for client option 60 and match for the string "phone*"  => i can use
> wild card in the matching string.
> If it matches select the pool start address as 192.168.1.100, select
> options from group 'B'.
> If it doesn't match select the pool start address as 192.168.1.200, select
> options from group 'A'.
>
> Filter 2:
> Check for client h/w address, start: 0:0:0:0:0 end: DD:DD:DD:DD:DD:DD
> If it matches discard the discover message from client
> If it doesn't match select the pool start address as 192.168.2.100, select
> options from group 'B'
>
> Filter 3:
> Check for option 55 from client, check if it has option 66.
> If it has, select the pool start address as 192.168.2.100, select options
> from group 'A'
> If it doesn't, select the pool start address as 192.168.2.200, select
> options from group 'B'.
>
> Can somebody please let me know, how do I add these filters in the ISC
> dhcpd.conf file ? Is it possible ?
>
> thanks
> AK
>
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