Administration of the Avaya G350 Media Gateway - Avaya Support

Initial WAN configuration6. Test the WAN configuration. See Verifying the WAN configuration and testingconnectivity on page 96.7. Use the copy running-config startup-config command to save the configuration.Configuring PPPoEYou can configure the ETH WAN Fast Ethernet port as a WAN port using PPPoE (PPP overEthernet). PPPoE offers dialup style authentication and accounting and allows subscribers todynamically select their ISP.Note:Note:Version 2.2 does not support dynamic PPP address assignment from the remotepeer.PPPoE overviewPPPoE is a client-server protocol used for carrying PPP-encapsulated data over Ethernetframes. A PPPoE client can establish a tunnel that carries PPP frames between a dialing host(the G350) and an access concentrator. This enables the use of PPP authentication protocols(CHAP and PAP). Unlike other tunneling protocols such as L2TP and PPTP, PPPoE worksdirectly over Ethernet rather than IP.A typical broadband access network is based on aDSL modems configured as transparentEthernet bridges. aDSL modems use ATM protocol, and the transparent bridging is done to awell known ATM VC. On the other side of the telephone line is a device called a DSLAM. TheDSLAM terminates the aDSL physical layer, collects the ATM cells from the various aDSLsubscribers, and places them on the SP ATM infrastructure. The Ethernet frames from thecustomer’s host device can reach one or more access concentrators, which are the remoteaccess servers.Issue 3 January 2005 91