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Cisco 2620

Cisco 2620
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Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Software Configuration Guide
For Cisco 2600 Series, Cisco 3600
Series, and Cisco 3700 Series Routers
Text Part Number: OL-1957-04

Table of Contents

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Cisco 2620 Specifications

General IconGeneral
BrandCisco
Model2620
CategoryNetwork Router
LanguageEnglish

Summary

Organization

Appendix C: Using the ROM Monitor

Details on using the ROM monitor for low-level system access, recovery, and troubleshooting.

Obtaining Technical Assistance

Technical Assistance Center (TAC)

Provides information on accessing the Cisco TAC website for technical assistance and support.

Understanding Interface Numbering and Cisco IOS Software Basics

Interface Numbering Overview

Details interface numbering for Cisco 2600, 3600, and 3700 series routers, including WAN/LAN and voice interfaces.

Cisco IOS Software Fundamentals

Covers essential Cisco IOS software concepts like getting help, command modes, saving configurations, and next steps.

Using the Setup Command Facility

Configuring Global Parameters

Guides through setting up global router parameters like hostname, passwords, and network protocols during initial setup.

Configuring Interface Parameters

Details the process of configuring various interface types (Ethernet, Serial, ISDN BRI, etc.) using the setup facility.

Configuring with the Command-Line Interface

Configuring Host Name and Password

Explains how to set the router's hostname and secure it with an encrypted enable password using the CLI.

Configuring Ethernet and Fast Ethernet Interfaces

Guides on manually configuring Ethernet and Fast Ethernet interfaces via the Cisco IOS command-line interface.

Configuring Voice-over-IP

Voice-over-IP Prerequisites

Lists essential requirements and planning steps before configuring VoIP on the router.

Configuring the Voice Interface

Guides on the manual CLI process to configure voice interfaces and related parameters.

Configuration Examples

Formatting the Compact Flash Memory Cards

Using the ROM Monitor

Entering the ROM Monitor Mode

Describes how to access and enter the ROM monitor mode on Cisco routers for low-level system access.

Recovering Boot and System Images

Outlines methods for recovering boot and system images using ROM monitor commands like xmodem and tftpdnld.

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