Chapter 11: WAN interfaces
WAN interfaces
You can use a Fast Ethernet port on the Branch Gateway chassis as the endpoint for a WAN
line by configuring the FastEthernet interface for PPP over Ethernet (PPPoE). The Branch
Gateway serves as a router, as well as the endpoint, for the WAN line. For more information
about routing, see
The router on page 479.
Related topics:
Configuring the initial WAN on page 251
Configuring the initial WAN
Procedure
1. Use the Fast Ethernet port on the G430 chassis as the endpoint for a WAN line by
configuring this interface for PPPoE.
See Configuring PPPoE on page 252.
2. Test the WAN configuration.
See WAN configuration and testing connectivity.
3. Enter copy running-config startup-config to save the configuration.
Related topics:
PPPoE overview on page 251
PPPoE overview
You can configure ETH WAN Fast Ethernet ports as a WAN port using PPPoE (PPP over
Ethernet). PPPoE offers dialup style authentication and accounting and allows subscribers to
dynamically select their ISP.
PPPoE is a client-server protocol used for carrying PPP-encapsulated data over Ethernet
frames. A PPPoE client can establish a tunnel that carries PPP frames between a dialing host
(the Branch Gateway) and an access concentrator. This enables the use of PPP authentication
Administering Avaya G430 Branch Gateway October 2013 251
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