router

Introduction

This article will guide you through the process of setting up a Cisco 1801 ADSL router to a BT broadband circuit. It will probably work on other POTS ADSL suppliers as well.

Beginning the configuration

Starting with a fresh router lets begin by setting up our local inside interface. This is going to be FastEthernet0. We are going to assign this interface an address of 192.168.128.1. To do this from the routers command prompt enter the following commands:

Firstly if you are not already in configuration mode enter it by the following command:

Introduction

The Cisco 837 ADSL / Broadband router like most Cisco routers can have it's software( firmware ) upgraded. Generally this isn't a difficult process but it is a bit fiddly if you haven't done it before. This guide will walk you through this process.

Requirements

Cisco 837 router and Cisco console cable

Fairly obvious really, this is the router you wish to upgrade and the cisco serial cable used to configure the router.

Cisco 837 Firmware image