NAS-Port and IP pool

Dánial Olsen dol at
Tue Oct 16 11:33:02 CEST 2007

>>> On 16-10-2007 at 10:21, Alan DeKok <aland at> wrote:
> Dánial Olsen wrote:
>> I'm using freeradius to with an Ericsson CGSN and now I'm trying to
>> assign ip addresses to my Mobile Stations.
>> The problem is that the CGSN makes requests to freeradius always using
>> the same IP and always port 1, which means only one IP is assigned.
>> After a lot of searching I've come to the conclusion that freeradius
>> uses NAS-port and NAS-ip to uniquely identify the clients.
>   In 1.1.x, yes.
>> Is my conclusion correct?
>> How can I assign IP addresses to my MS using another unique id, e.g.
>> IMSI or MSISDN - which I can include in the request?
>   Use CVS head.  The rlm_ippool module now has a configurable key.  This
> lets you assign IP's based on anything you want.

Thank you very much for your fast response.

That explains the key parameter I saw in the wiki that didn't work :) I'll have
a go with the CVS version.


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