Option 82 DHCP Snooping + Freeradius auth of DHCP requests

[Alan DeKok]

Denis Iskandarov wrote:
> DHCP server asking radius what to do with dhcp-request. radius gives
> "accept" if username -mac-address is in it's database, plus adding
> framed-ip-address and some other atributes to reply.

  Except that a User-Name is never in a DHCP request.

> as i understood from debug, freeradius can't find username (which is
> mac address, and sent in User-Name attribute field) which is described
> in USERS file, as well as in SQL base.

  So... look in the Access-Request packet for the format of the
User-Name, and add that to the "users" file, or SQL database.

  Alan DeKok.