Using AAA for VPDN
Virtual Private Dialup Networking (VPDN) is a mechanism for allowing a private dialup network to be expanded so that users can dial up to a number of participating ISPs and have their sessions connected to their home gateways as if they were dialing directly into their home gateways rather than dialing into an ISP's network access server (NAS).
Participating ISPs' NASs are configured such that when a user who is identified as belonging to a particular private dialup network tries to connect to them using PPP, a connection with the user's home gateway is initiated. The NAS and the home gateway first authenticate each other as configured, and then the NAS passes the traffic from the user to the home gateway. The home gateway ...
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