PPPoE sessions authorization is performed by the Radius server through the fastPCRF server, see the fastPCRF settings. FastPCRF is the part of the Stingray SG and is essentially a proxy between the fastDPI and a third-party Radius server.

Access-Request requests and Access-Accept along with Access-Reject responses differ from those used in L3-authorization.

• Access-Request format for the PPPoE networks
• Access-Accept format for the PPPoE networks
• Access-Reject format for PPPoE networks