How to set filters in the dhdpd.conf ?

[Ashmath Khan]

Hi Beshir,

Thanks for that.
I will go through this. But again are these possible:
1) To look into option 55, and get the list of options sent by client or
search for specific option in the list.
2) To evaluate the rules in order and stop when one of the rule matches

If you have any dhcpd.conf example using these, please share.

thanks
Ashmath


2009/9/15 Reissom Beshir <Reissom_Beshir at mitel.com>

>
> You could start by reading the man page for dhcpd.conf and look at the
> client classing section.
>
>
> Regards,
> Reissom
>
>
> ----- Original Message ----- *From:* Ashmath Khan<hashmat.email at gmail.com>
> *To:* dhcp-users at lists.isc.org
> *Sent:* Sunday, September 13, 2009 2:11 AM
> *Subject:* Re: How to set filters in the dhdpd.conf ?
>
> 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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