Troubleshooting guide

Cisco DSL Router Configuration and Troubleshooting

Guide

RFC1483 Routing Implementation Options

Select one of the following RFC1483 routing implementation options for your Asymmetric Digital Subscriber

Line (ADSL) service.

Select the option that describes the type of RFC1483 routing service your ISP is providing.

RFC1483 Routing Option 1 Your ISP is assigning a static single public IP address to your Cisco DSL Router.

RFC1483 Routing Option 2 Your ISP is assigning a block of static public IP addresses for use in your LAN.

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Cisco DSL Router Configuration and Troubleshooting

Guide

Step−by−Step Configuration of RFC1483 Routing with a

Single Static IP Address

Your Internet Service Provider (ISP) has assigned a single static public IP address to your Cisco DSL Router.

Note: A color code is used to relate tasks in this section with examples of configurations in the Configuration

section. Configurations are color−coded as follows: Dynamic Host Configuration Protocol (DHCP) Server,

Network Address Translation (NAT).

Step−by−Step Configuration

Important: Before you begin, close all programs on the PC that might be monitoring your COM port.

Devices such as PDAs and digital cameras often place programs in the system tray that will render your COM

port unusable for configuring your Cisco DSL Router.

Connect the Cisco DSL Router and Your PC

A console connection is made with a rolled cable and connects the console port of the Cisco DSL Router to a

COM port on a PC. The console cable that is included with the Cisco DSL Router is a flat light blue cable.

Cisco DSL Router Configuration and Troubleshooting Guide