NETGEAR FR114P Reference Manual page 9

Remote Management .....................................................................................................9-9
Chapter 10
Troubleshooting
Basic Functioning .........................................................................................................10-1
Power LED Not On .................................................................................................10-2
Test LED Never Turns On or Test LED Stays On ...................................................10-2
Local or Internet Port Link LEDs Not On ................................................................10-2
Troubleshooting the Web Configuration Interface ........................................................10-4
Troubleshooting the ISP Connection ............................................................................10-5
Troubleshooting a TCP/IP Network Using a Ping Utility ...............................................10-6
Testing the LAN Path to Your Firewall ....................................................................10-6
Testing the Path from Your PC to a Remote Device ..............................................10-7
Restoring the Default Configuration and Password ......................................................10-8
Using the Default Reset button ..............................................................................10-8
Problems with Date and Time .......................................................................................10-8
Appendix A
Technical Specifications
Appendix B
Networks, Routing, and Firewall Basics
Basic Router Concepts .................................................................................................. B-1
What is a Router? ................................................................................................... B-1
Routing Information Protocol ................................................................................... B-2
IP Addresses and the Internet ................................................................................. B-2
Netmask .................................................................................................................. B-4
Subnet Addressing .................................................................................................. B-5
Private IP Addresses ............................................................................................... B-7
Single IP Address Operation Using NAT ................................................................. B-8
MAC Addresses and Address Resolution Protocol ................................................. B-9
Domain Name Server .............................................................................................. B-9
IP Configuration by DHCP .................................................................................... B-10
Internet Security and Firewalls .................................................................................... B-10
What is a Firewall? ................................................................................................ B-10
Stateful Packet Inspection ......................................................................................B-11
Denial of Service Attack .........................................................................................B-11
Wireless Networking .................................................................................................... B-12
Contents ix