CHAPTER 12
Configuring PPP over ATM with NAT
This chapter provides an overview of Point-to-Point Protocol over Asynchronous Transfer Mode (PPPoA)
clients and network address translation (NAT) that can be configured on the Cisco 860 and Cisco 880 series
Integrated Services Routers (ISRs).
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Overview, page 311
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Configure the Dialer Interface, page 313
•
Configure the ATM WAN Interface, page 315
•
Configure DSL Signaling Protocol, page 316
•
Configure Network Address Translation, page 318
•
Configuration Example, page 321
Overview
Multiple PCs can be connected to the LAN behind the router. Before traffic from the PCs is sent to the PPPoA
session, it can be encrypted, filtered, and so forth. PPP over ATM provides a network solution with simplified
address handling and straight user verification like a dial network. Figure 16: PPP over ATM with NAT, on
Cisco 800 Series Integrated Services Routers Software Configuration Guide
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