NETGEAR CG814M Wireless Cable Modem Gateway CG814M CG814M Reference Manual page 7

Viewing Gateway Status ..........................................................................................5-2
Connection Status ....................................................................................................5-4
Current System Time .........................................................................................5-5
Configuring LAN IP Settings ...........................................................................................5-5
LAN IP Setup ...........................................................................................................5-5
DHCP .......................................................................................................................5-6
Use router as DHCP server ...............................................................................5-6
Viewing and Emailing Logged Information .....................................................................5-7
Enabling Logs Event E-mail Notification ..................................................................5-8
Erasing Configuration .....................................................................................................5-8
Running Diagnostic Utilities ............................................................................................5-9
Chapter 6
Troubleshooting ...................................................................................................................6-1
Basic Functions ..............................................................................................................6-1
Power LED Not On ...................................................................................................6-2
Test LED Stays On ...................................................................................................6-2
Local Link LEDs Not On ...........................................................................................6-2
Cable Link LED Not On ............................................................................................6-3
Troubleshooting the Web Configuration Interface ..........................................................6-3
Troubleshooting the ISP Connection ..............................................................................6-4
Troubleshooting a TCP/IP Network Using a Ping Utility .................................................6-4
Testing the LAN Path to Your Gateway ....................................................................6-4
Testing the Path from Your PC to a Remote Device ................................................6-5
Appendix A
Technical Specifications .................................................................................................... A-1
Appendix B
Networks, Routing, and Firewall Basics ........................................................................... B-1
Related Publications ...................................................................................................... B-1
Basic Router Concepts .................................................................................................. B-1
What is a Router? ................................................................................................... B-2
Routing Information Protocol ................................................................................... B-2
IP Addresses and the Internet ................................................................................. B-2
Netmask .................................................................................................................. B-4
Subnet Addressing .................................................................................................. B-5
Private IP Addresses ............................................................................................... B-7
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