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B-RAS Data Flow

The router performs several tasks for a digital subscriber line (DSL) PPP user to establish a PPP connection. This is an example of the way B-RAS data might flow:

  1. Authenticate the subscriber using RADIUS authentication.
  2. Assign an IP address to the PPP/IP session via RADIUS, local address pools, or Dynamic Host Configuration Protocol (DHCP).
  3. Terminate the PPP encapsulation or tunnel a PPP session.
  4. Provide user accounting via RADIUS.

    Note: For information about configuring RADIUS attributes see Configuring RADIUS Attributes.

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