Table of Contents

28.2.1 NAT Traversal .........................................................................................................

205

28.2.2 Cautions with UPnP ................................................................................................

205

28.3 UPnP Screen ..................................................................................................................

206

28.4 Technical Reference .........................................................................................................

206

28.4.1 Using UPnP in Windows XP Example ....................................................................

206

28.4.2 Web Configurator Easy Access ..............................................................................

209

Chapter

29

 

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

213

29.1

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

213

29.2 What You Can Do ............................................................................................................

213

29.3

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

213

29.4

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

214

29.5

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

215

29.6

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

217

29.7

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

218

29.8

Reset/Restart Screen .......................................................................................................

219

29.9

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

219

29.10 Sys OP Mode Screen .....................................................................................................

221

Chapter

30

 

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

223

30.1

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

223

30.2

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

223

30.3

NBG4615 Access and Login ............................................................................................

224

30.4

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

226

30.5

Resetting the NBG4615 to Its Factory Defaults ...............................................................

227

30.6

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

227

30.7

USB Device Problems ......................................................................................................

229

30.8

ZyXEL Share Center Utility Problems ..............................................................................

230

Appendix

A Product Specifications ......................................................................................

233

30.9

Wall-mounting Instructions ...............................................................................................

235

Appendix

B Pop-up Windows, JavaScript and Java Permissions .......................................

237

Appendix

C IP Addresses and Subnetting...........................................................................

249

Appendix

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

259

Appendix

E Wireless LANs..................................................................................................

287

Appendix

F Common Services ............................................................................................

301

Appendix

G IPv6..................................................................................................................

305

16

 

NBG4615 User’s Guide