Configuring a Cisco 1700/2600/3600 ADSL WIC to
Support PPPoE Clients, Terminating on a Cisco
6400 UAC
Document ID: 12963
Contents
Introduction
Prerequisits
Requirements
Conventions
Configure
Configurations
Verify
Troubleshoot
Introduction
The Cisco 1700, 2600, and 3600 series routers support the Asymmetric Digital Subscriber Line (ADSL)
WAN Interface Card (WIC). All three platforms are configured essentially the same, but there are differences
in hardware and in the Cisco IOS® Software release required for each one. Throughout this document, the
Cisco 1700/2600/3600 is referred to as the Cisco ADSL WIC.
This sample configuration shows you how to support a Point−to−Point Protocol over Ethernet (PPPoE) client
when it is connected to the Ethernet interface of a Cisco ADSL WIC.
The Cisco ADSL WIC is configured with RFC 1483
Access Concentrator (UAC) that has been configured to support PPPoE using a multipoint ATM subinterface.
The PPPoE feature allows you to initiate a PPP session on a simple bridging Ethernet connected client. The
session is transported over the ATM link via encapsulated Ethernet−bridged frames. The session can be
terminated at either a local exchange carrier central office or an Internet service provider (ISP) point of
presence.
PPPoE is a client−initiated connection. On the Customer Premises Equipment (CPE) side, a PC with an
Ethernet Network Interface Card (NIC) and the PPPoE client code are established. This PC and other PCs are
connected to the ADSL WIC Ethernet segment.
The ADSL WIC ATM interface is connected to a Cisco 6130 DSL Access Multiplexer (DSLAM) and
terminates on a Cisco 6400 UAC.
Prerequisits
Requirements
Before you attempt this configuration, please ensure that you use one of these prerequisite software releases:
bridging and terminates on a Cisco 6400 Universal
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