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Prestige 794M User’s Guide
Chapter 4 WAN 48
CHAPTER 4
WAN
This chapter describes how to configure WAN settings.
4.1 Overview
A WAN (Wide Area Network) is an outside connection to another network or the Internet. Use
the WAN screens to change your Prestige's WAN settings, click Configuration and WAN in
the navigation panel.
4.1.1 Encapsulation Types
This section describes the various encapsulation (Internet connection) types the Prestige
offers.
4.1.1.1 RFC 1483
RFC 1483 describes two methods for Multiprotocol Encapsulation over ATM Adaptation
Layer 5 (AAL5). The first method allows multiplexing of multiple protocols over a single
ATM virtual circuit (LLC-based multiplexing) and the second method assumes that each
protocol is carried over a separate ATM virtual circuit (VC-based multiplexing). Please refer
to the RFC for more detailed information.
In addition, the Prestige supports two RFC 1483 methods; routed or bridged. In RFC 1483
Bridged, the Prestige sends the packets based on the MAC address information. That is, the
Prestige bridges the packets. In RFC 1483 Routed, the Prestige sends the packets based on the
IP address. That is, the Prestige routes the packets. Refer to the RFC for more information.
4.1.1.2 PPPoE
The Prestige supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an IETF Draft
standard (RFC 2516) specifying how a computer interacts with a broadband modem (DSL,
cable, wireless, etc.) connection. PPPoE is for a dial-up connection using PPPoE. For the
service provider, PPPoE offers an access and authentication method that works with existing
access control systems (for example RADIUS). PPPoE provides a login and authentication
method that the existing Microsoft Dial-Up Networking software can activate, nd therefore
requires no new learning or procedures for Windows users. One of the benefits of PPPoE is the
ability to let you access one of multiple network services, a function known as dynamic
service selection. This enables the service provider to easily create and offer new IP services
for individuals.