checkrad patch to support Juniper's BRAS

[Alan DeKok]

Guilherme Franco wrote:
> I would like to submit a patch to checkrad (freeradius-server-2.1.12),
> adding support for Juniper's E-Series BRAS (ERX, E120, E320).
> 
> It adds the possibility to query the subscriber's username using SNMP.
> If the subscriber is found, it returns 1 "Returning 1 (double
> detected)", else, returns 0 "Returning 0 (login ok)".
> 
> On clients.conf, the nastype should be set to juniper.

  Added, thanks.

  Alan DeKok.