ZyXEL Communications VMG9827-B50A - Page 14

Table of Contents
VMG4927-B50A / VMG9827-B50A / VMG3927-B50B User’s Guide
14
35.2 Firmware ...................................................................................................................................... 273
Chapter 36
Backup/Restore ...............................................................................................................................275
36.1 Overview ..................................................................................................................................... 275
36.2 Backup/Restore .......................................................................................................................... 275
36.3 Reboot ......................................................................................................................................... 277
Chapter 37
Diagnostic.........................................................................................................................................278
37.1 Overview ..................................................................................................................................... 278
37.1.1 What You Can Do in this Chapter ................................................................................... 278
37.2 What You Need to Know ........................................................................................................... 278
37.3 Ping & TraceRoute & NsLookup ................................................................................................ 279
37.4 802.1ag ........................................................................................................................................ 279
37.5 802.3ah ........................................................................................................................................ 281
37.6 OAM Ping .................................................................................................................................... 282
Chapter 38
Troubleshooting................................................................................................................................285
38.1 Power, Hardware Connections, and LEDs ............................................................................... 285
38.2 VMG Access and Login ............................................................................................................. 286
38.3 Internet Access ........................................................................................................................... 287
38.4 Wireless Internet Access ............................................................................................................. 289
38.5 UPnP ............................................................................................................................................. 290
38.6 VoIP Call Quality ......................................................................................................................... 290
Part III: Appendices......................................................................................292
Appendix A Customer Support ..................................................................................................... 293
Appendix B Wireless LANs............................................................................................................... 299
Appendix C IPv6.............................................................................................................................. 309
Appendix D Services....................................................................................................................... 317
Appendix E Legal Information ....................................................................................................... 321
Index.................................................................................................................................................331