Table of Contents
Troubleshooting
Related Manuals for Cisco 2620XM
Summarization of Contents
Preface and Introduction
Audience
Describes the intended reader of the guide, focusing on technical background and experience.
Conventions Used
Details typographical and symbolic conventions for instructions and information.
Safety Warnings and Precautions
Highlights important safety instructions and the meaning of warning symbols.
Related Documentation
Lists other Cisco documents for comprehensive information on related topics.
Cisco 90-Day Limited Hardware Warranty
Explains the terms and conditions of the hardware warranty and access to agreements.
Obtaining Technical Assistance
Provides information on how to contact Cisco for support and troubleshooting.
Overview of Cisco 2600 Series Routers
Hardware Features
Summarizes the LAN interfaces supported on various Cisco 2600 series router models.
Reading Front-Panel LEDs
Explains how to interpret the LEDs on the router's front panel for status.
Reading Rear-Panel LEDs
Explains how to interpret the LEDs on the router's rear panel for status.
Interface Numbering
Describes the numbering format for identifying ports and interfaces on the router.
System Specifications
Details the technical specifications for Cisco 261x, 262x, 265x, and 2691 routers.
Regulatory Compliance
Outlines regulatory compliance information for the Cisco 2600 series routers.
Preparing to Install the Router
Safety Recommendations
Provides essential guidelines for ensuring general safety during installation.
Preventing Electrostatic Discharge Damage
Details procedures to prevent damage from electrostatic discharge.
General Site Requirements
Describes environmental and site preparation requirements for router installation.
Installation Checklist
A checklist of items and procedures for installing a new router.
Console and Auxiliary Port Considerations
Information on cabling and connecting to console and auxiliary ports.
Network Connection Procedures
Details on connecting various network interfaces like Ethernet and Serial.
Installing the Router
Installing Modules, Interface Cards, and Power Supplies
Guidance on installing or removing hardware components like modules and power supplies.
Setting Up the Chassis
Procedures for setting the chassis on a desktop, rack, or wall.
Mounting the Chassis in a Rack
Step-by-step instructions for attaching brackets and mounting the chassis in a rack.
Power Connections
Instructions for connecting AC and DC power supplies to the router.
Connecting WAN, LAN, and Voice Cables
Procedures for connecting various network interface cables to the router.
Connecting to Console Terminal or Modem
How to connect a console terminal or modem for administrative access.
Powering Up the Router
Steps to power on the router and verify its initialization and self-test.
Configuring the Router
Methods for performing initial router configuration using SDM, setup, or CLI.
Troubleshooting
Isolating Problems
General approach to isolating problems by comparing router behavior to expected behavior.
Troubleshooting Power and Cooling Systems
Specific steps for diagnosing and resolving power supply and cooling issues.
Troubleshooting Modules, Cables, and Connections
Steps to diagnose issues related to modules, cables, and network connections.
System Messages
Describes system error and recovery messages that may appear during operation.
Recovering a Lost Password
Procedure for recovering or replacing a lost enable secret password.
Using the ROM Monitor
Entering ROM Monitor Mode
Methods for accessing the ROM monitor for system initialization and diagnostics.
ROM Monitor Commands
Lists and describes available commands in the ROM monitor.
ROM Monitor Command Descriptions
Detailed explanations of various ROM monitor commands for router management.
Recovering Cisco IOS Software Images
Procedures for downloading and restoring Cisco IOS software images.
Configuration Register
Configuration Register Settings
Overview of the configuration register's function and bit meanings.
Changing Configuration Register Settings
Step-by-step instructions for modifying the configuration register value.
Configuring the Boot Field
How to set the boot field bits to control the router's boot process.
Enabling Booting from Flash Memory
Configuring the router to boot from flash memory.
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