Cisco DNC-305 - Manual

Cisco DNC-305

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Table of Contents:

  • Page 2 – Individual Remote PCs Using Analog Modems; Network Topology
  • Page 4 – Running Configuration for Robbed-Bit Signalling
  • Page 6 – Individual PCs Using ISDN Terminal Adapters
  • Page 7 – Terminal Adapter Configuration Example
  • Page 9 – Mixture of ISDN and Analog Modem Calls; Combination of Modem and ISDN Dial-In Configuration Example
  • Page 12 – Scaling Considerations
  • Page 13 – How Stacking Works; A Typical Multilink PPP Session; Using Multichassis Multilink PPP
  • Page 14 – Setting Up an Offload Server
  • Page 15 – Using the Stack Group Bidding Protocol
  • Page 16 – Using L2F
  • Page 24 – RADIUS Remote Security Examples
  • Page 25 – User Setup for PPP
  • Page 26 – User Setup for SLIP and Static IP Address; PPP Calls over X.25 Networks
  • Page 27 – Overview
  • Page 28 – Protocol Translation Configuration Example
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DNC-305

Cisco IOS Dial Services Configuration Guide: Network Services

Telco and ISP Dial Scenarios and Configurations

This chapter provides sample hardware and software configurations for specific dial scenarios used by
telcos, Internet service providers (ISPs), regional Bell operating companies (RBOCs), inter-exchange
carriers (IXCs), and other service providers. Each configuration in this chapter is designed to enable IP
network traffic with basic security authentication.

The following scenarios are described:

Scenario 1—Small- to Medium-Scale POPs

Scenario 2—Large-Scale POPs

Scenario 3—PPP Calls over X.25 Networks

Note

In all of these example scenarios, you can replace the Cisco AS5200 access server with a
Cisco AS5300 access servers, Cisco AS5800 access servers, or Cisco AccessPath routers.
This hardware exchange provides higher call density performance and increases the
number of PRI interfaces and modem ports on each chassis.

Small- to Medium-Scale POPs

Many small-to-medium-sized ISPs configure one or two access servers to provide dial-in access for their
customers. Many of these dial-in customers use individual remote personal computers (PCs) that are not
connected to LANs. Using the Windows 95 dialup software, remote clients initiate analog or digital
connections using modems or home office ISDN BRI terminal adapters.

This section provides three types of single user dial-in scenarios for service providers:

Individual Remote PCs Using Analog Modems

Individual PCs Using ISDN Terminal Adapters

Mixture of ISDN and Analog Modem Calls

Note

Be sure to include your own IP addresses, host names, and security passwords
where appropriate. The following sample configurations assume that the dial-in clients are
individual PCs running PPP, connecting to an IP network, and requiring only basic security
authentication.

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Summary

Page 2 - Individual Remote PCs Using Analog Modems; Network Topology

Telco and ISP Dial Scenarios and Configurations Small- to Medium-Scale POPs DNC-306 Cisco IOS Dial Services Configuration Guide: Network Services Individual Remote PCs Using Analog Modems ISPs can configure a single Cisco AS5200 access servers to receive analog calls from remote PCs connected to mod...

Page 4 - Running Configuration for Robbed-Bit Signalling

Telco and ISP Dial Scenarios and Configurations Small- to Medium-Scale POPs DNC-308 Cisco IOS Dial Services Configuration Guide: Network Services line aux 0 login authentication console line vty 0 4 login authentication vty transport input telnet rlogin ! end Some service providers use a remote TACA...

Page 6 - Individual PCs Using ISDN Terminal Adapters

Telco and ISP Dial Scenarios and Configurations Small- to Medium-Scale POPs DNC-310 Cisco IOS Dial Services Configuration Guide: Network Services ip classless ! dialer-list 1 protocol ip permit ! line con 0 login authentication console line 1 48 autoselect ppp autoselect during-login login authentic...

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