NETGEAR DG814 DSL manual Appendix a Technical Specifications

Test LED Never Blinks or LED Stays On	7-2
Troubleshooting the Web Configuration Interface	7-2
Troubleshooting the ISP Connection	7-3
ADSL link	7-3
WAN LED Blinking Yellow	7-3
WAN LED Off	7-4
Obtaining a WAN IP Address	7-4
Troubleshooting PPPoE or PPPoA	7-5
Troubleshooting Internet Browsing	7-5
Troubleshooting a TCP/IP Network Using a Ping Utility	7-6
Testing the LAN Path to Your Gateway	7-6
Testing the Path from Your PC to a Remote Device	7-7
Restoring the Default Configuration and Password	7-8
Using the Default Reset button	7-8
Problems with Date and Time	7-8
Appendix A
Technical Specifications
General Specifications	A-1
Appendix B
Networks and Routing 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-4
Private IP Addresses	B-7
Single IP Address Operation Using NAT	B-7
MAC Addresses and Address Resolution Protocol	B-9
Domain Name Server	B-9
IP Configuration by DHCP	B-10
Ethernet Cabling	B-11
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	B-11
Cable Quality	B-12
Glossary
viii	Contents