User's Manual

Table of Contents
NBG4615 User’s Guide
16
28.2.1 NAT Traversal ......................................................................................................................207
28.2.2 Cautions with UPnP .............................................................................................................207
28.3 UPnP Screen ...............................................................................................................................208
28.4 Technical Reference ......................................................................................................................208
28.4.1 Using UPnP in Windows XP Example .................................................................................208
28.4.2 Web Configurator Easy Access ...........................................................................................211
Chapter 29
Maintenance......................................................................................................................................215
29.1 Overview .......................................................................................................................................215
29.2 What You Can Do .........................................................................................................................215
29.3 General Screen .............................................................................................................................215
29.4 Password Screen ..........................................................................................................................216
29.5 Time Setting Screen ......................................................................................................................217
29.6 Firmware Upgrade Screen ............................................................................................................219
29.7 Configuration Backup/Restore Screen ..........................................................................................220
29.8 Reset/Restart Screen ....................................................................................................................221
29.9 System Operation Mode Overview ...............................................................................................221
29.10 Sys OP Mode Screen ..................................................................................................................224
Chapter 30
Troubleshooting................................................................................................................................227
30.1 Overview .......................................................................................................................................227
30.2 Power, Hardware Connections, and LEDs ....................................................................................227
30.3 NBG4615 Access and Login .........................................................................................................228
30.4 Internet Access .............................................................................................................................230
30.5 Resetting the NBG4615 to Its Factory Defaults ............................................................................231
30.6 Wireless Router/AP Troubleshooting ............................................................................................231
30.7 USB Device Problems ...................................................................................................................233
30.8 ZyXEL Share Center Utility Problems ...........................................................................................234
Appendix A Product Specifications..................................................................................................237
Appendix B Pop-up Windows, JavaScript and Java Permissions ...................................................241
Appendix C IP Addresses and Subnetting.......................................................................................253
Appendix D Setting Up Your Computer’s IP Address ......................................................................263
Appendix E Wireless LANs..............................................................................................................291
Appendix F Common Services ........................................................................................................305
Appendix G IPv6..............................................................................................................................309
Appendix H Open Software Announcements ..................................................................................317