Using DHCP for Radius on a Cable Modem Plant

[Arran Cudbard-Bell]

> On Aug 21, 2015, at 12:18 PM, Michael Ströder <michael at stroeder.com> wrote:
> 
> Alan DeKok wrote:
>> On Aug 21, 2015, at 11:29 AM, John Alcock <john at alcock.org> wrote:
>>> Has anyone use freeradius and the built-in dhcp server in freeradius for a
>>> small cable modem plant?
>>> [..]
>>> SQL database (mysql, postgress, I do not care) to keep track of
>>> information, specifically the MAC address which will be used for
>>> authentication.
>> 
>>  I'd say use Postgres.
> 
> I'd also like to try to replace ISC dhcpd currently used with LDAP backend by
> FreeRADIUS already running for WLAN access. Any change to set up a plain DHCP
> server with LDAP as backend?

Well there's no allocation module for LDAP, because that would be quite slow (using lmdb at least)... If you're using static IP assignments then it'd be fairly trivial to do it today.  Just use unlang to pull the IP addresses out.

There are vague plans to merged all the ippool modules into a single module with drivers, like the cache module, eap module, and sql module, we could look at adding LDAP based allocation then, but it's not something i'm overly enthusiastic about writing now :)

-Arran



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