Troubleshooting Procedures - SMC Networks SMCD3GNV User Manual

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
Basic Troubleshooting Procedures
Advanced Troubleshooting Procedures
Specific Troubleshooting Procedures
Wireless Troubleshooting
Application and Gaming Troubleshooting

6 Troubleshooting Procedures

See page 180
Troubleshooting Physical Network Problems (page 182)
•
Troubleshooting Configuration Problems (page 183)
•
Determining Your IP Address (page 183)
•
Troubleshooting Software-Interaction Problems (page 187)
•
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)
•
See page 198
See page 204
SMCD3GNV Wireless Cable Modem Gateway User Manual
Subtopics
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