Network access method, authentication method, communications system and relevant devices

摘要

A network access method, an authentication method, a communications system, and relevant devices are provided. The authentication method includes: receiving a request message sent from an Access Node (AN), wherein the request message carries subscriber line information and a Link-Local Address (LLA); sending an access request to an Authentication, Authorization and Accounting (AAA) server according to the subscriber line information; receiving an authentication result indicating the authentication is successful; determining whether an address matching the LLA carried in the request has been stored in the BNG; and storing the LLA in the BNG, if the address matching the LLA is not stored in the BNG.

主权项

1. In a Broadband Network Gateway (BNG), an authentication method comprising:
receiving a Router Solicitation (RS) message sent from an Access Node (AN), wherein the RS message carries line information identifying a communication line and carries a Link Local Address (LLA); and based on the line information carried in the RS message, performing access authentication with an Authentication, Authorization and Accounting (AAA) server.