User's Manual
Table Of Contents
- Contents
- Preface
- 1 Getting to Know the Gateway
- 2 Installing the Gateway
- 3 Preconfiguration Guidelines
- 4 Configuring the Gateway
- Accessing the Gateway’s Web Management
- Understanding the Web Management Interface Menus
- Web Management Interface Menus
- Viewing Information About Your Network and Connected Devices
- Viewing Information About Your Network and Connections
- Configuring Firewall Settings
- Viewing System Software Settings
- Configuring System Hardware
- Configuring Your Home Network
- Working with Connected Devices
- Configuring Parental Controls
- Using Advanced Features
- Troubleshooting the Gateway
- 5 Configuring the Gateway’s mso Interface
- Accessing the Gateway’s Web Management
- Understanding the Web Management Interface Menus
- Web Management Interface Menus
- Configuring the Gateway Settings
- Configuring Connections
- Configuring Firewall Settings
- Viewing System Software Settings
- Configuring Hardware
- Configuring Your Home Network
- Working with Connected Devices
- Configuring Parental Controls
- Using Advanced Features
- Troubleshooting the Gateway
- 6 Troubleshooting Procedures
- Basic Troubleshooting Procedures
- Advanced Troubleshooting Procedures
- Specific Troubleshooting Procedures
- Unable to Log In to Gateway
- Local Networked Devices Unable to Access the Gateway
- Unable to Access the Internet
- Unable to Access Networked Devices
- Using the Ping Utility to Troubleshoot
- Gateway Disconnects from the Internet
- Slow Web Browsing
- Unable to Configure Port Forwarding
- Unable to Use Pass-thru VPN
- Gateway is Not Passing DHCP Address to a computer
- Determining a Computer’s MAC Address
- Wireless Troubleshooting
- Application and Gaming Troubleshooting
- Connecting to Messenger Services Behind the Gateway
- Connecting to America Online Behind the Gateway
- Connecting to XBox Live, PSP, and Nintendo WFC
- Index
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SMCD3GNV Wireless Cable Modem Gateway User Manual
6 Troubleshooting Procedures
Successful troubleshooting requires a logical, consistent approach that narrows down the
source of a problem by ascertaining what is and isn't working until a single cause is
identified. This chapter provides suggestions for identifying and resolving problems in the
unlikely event you encounter a problem using the Gateway. It also provides tips for tuning
your configuration to optimize your wired and wireless networking experience.
The topics covered in this chapter are:
Topic Subtopics
Basic Troubleshooting Procedures See page 180
Advanced Troubleshooting Procedures
• Troubleshooting Physical Network Problems (page 182)
• Troubleshooting Configuration Problems (page 183)
• Determining Your IP Address (page 183)
• Troubleshooting Software-Interaction Problems (page 187)
Specific Troubleshooting Procedures
• Unable to Log In to Gateway (page 188)
• Local Networked Devices Unable to Access the Gateway (page 188)
• Unable to Access the Internet (page 189)
• Unable to Access Networked Devices (page 191)
• Using the Ping Utility to Troubleshoot (page 191)
• Gateway Disconnects from the Internet (page 194)
• Slow Web Browsing (page 195)
• Unable to Configure Port Forwarding (page 195)
• Unable to Use Pass-thru VPN (page 195)
• Gateway is Not Passing DHCP Address to a computer (page 195)
• Determining a Computer’s MAC Address (page 196)
Wireless Troubleshooting See page 198
Application and Gaming Troubleshooting See page 204