User's Manual
Table Of Contents
- Reference Manual for the Model CG814W Wireless Cable Modem Gateway
- Contents
- About This Manual
- Chapter 1 Introduction 1-1
- Chapter 2 Connecting the Gateway to the Internet 2-1
- Chapter 3 Wireless Configuration 3-1
- Chapter 4 Protecting Your Network 4-1
- Chapter 5 Managing Your Network 5-1
- Chapter 6 Troubleshooting 6-1
- Appendix A Technical Specifications A-1
- Appendix B Networks, Routing, and Firewall Basics B-1
- Appendix C Preparing Your Network C-1
- Glossary G-1
- About This Manual
- Chapter 1 Introduction
- Chapter 2 Connecting the Gateway to the Internet
- Chapter 3 Wireless Configuration
- Chapter 4 Protecting Your Network
- Chapter 5 Managing Your Network
- Chapter 6 Troubleshooting
- Appendix A Technical Specifications
- Appendix B Networks, Routing, and Firewall Basics
- Related Publications
- Basic Router Concepts
- Internet Security and Firewalls
- Wireless Networking Overview
- Authentication and WEP
- Wireless Channels
- Ethernet Cabling
- Appendix C Preparing Your Network
- Glossary
Reference Manual for the Model CG814W Wireless Cable Modem Gateway
Troubleshooting 6-1
Chapter 6
Troubleshooting
This chapter gives information about troubleshooting your CG814W Wireless Cable Modem
Gateway. For the common problems listed, go to the section indicated.
• Is the gateway on?
• Have I connected the gateway correctly?
Go to “Basic Functions” on page 6-1.
• I can’t access the gateway’s configuration with my browser.
Go to “Troubleshooting the Web Configuration Interface” on page 6-3.
• I’ve configured the gateway but I can’t access the Internet.
Go to “Troubleshooting the ISP Connection” on page 6-4.
• I can’t remember the gateway’s configuration password.
• I want to clear the configuration and start over again.
Go to “Erasing Configuration” on page 5-8.
Basic Functions
After you turn on power to the gateway, the following sequence of events should occur:
1. When power is first applied, verify that the Power LED is on.
2. Verify that the numbered ethernet LEDs come on momentarily.
3. After approximately 30 seconds, verify that:
f. The Local port Link LEDs are lit for any local ports that are connected.
g. The Test LED is not lit.










