Table of Contents

20.1 Overview .......................................................................................................................................

145

20.2 What You Can Do .........................................................................................................................

145

20.3 What You Need to Know ...............................................................................................................

145

20.3.1 Remote Management and NAT ...........................................................................................

145

20.3.2 System Timeout ..................................................................................................................

146

20.4 WWW Screen .............................................................................................................................

146

Chapter

21

 

Universal Plug-and-Play (UPnP)......................................................................................................

147

21.1

Overview ......................................................................................................................................

147

21.2 What You Can Do .........................................................................................................................

147

21.3 What You Need to Know ...............................................................................................................

147

 

21.3.1 NAT Traversal ......................................................................................................................

147

 

21.3.2 Cautions with UPnP .............................................................................................................

148

21.4 UPnP Screen ...............................................................................................................................

148

21.5

Technical Refereance ....................................................................................................................

148

 

21.5.1 Using UPnP in Windows XP Example .................................................................................

148

 

21.5.2 Web Configurator Easy Access ...........................................................................................

151

Chapter

22

 

Maintenance ......................................................................................................................................

155

22.1

Overview .......................................................................................................................................

155

22.2 What You Can Do .........................................................................................................................

155

22.3

General Screen .............................................................................................................................

155

22.4

Password Screen ..........................................................................................................................

156

22.5

Time Setting Screen ......................................................................................................................

157

22.6

Firmware Upgrade Screen ............................................................................................................

158

22.7

Configuration Backup/Restore Screen ..........................................................................................

160

22.8

Restart Screen ..............................................................................................................................

161

22.9

System Operation Mode Overview ...............................................................................................

161

22.10 Sys OP Mode Screen ..................................................................................................................

163

Chapter

23

 

Troubleshooting................................................................................................................................

165

23.1

Power, Hardware Connections, and LEDs ....................................................................................

165

23.2

Router Access and Login ..............................................................................................................

166

23.3

Internet Access .............................................................................................................................

167

23.4

Resetting the Router to Its Factory Defaults .................................................................................

169

23.5

Wireless Router/AP Troubleshooting ............................................................................................

169

Appendix

A IP Addresses and Subnetting.......................................................................................

171

Appendix

B Setting Up Your Computer’s IP Address ......................................................................

181

10

 

NBG6503 User’s Guide