Table of Contents
AX/DX/EX/PX Series User’s Guide
17
42.1 Firmware Upgrade Overview .................................................................................................... 489
42.2 Firmware Upgrade ...................................................................................................................... 489
Chapter 43
Backup/Restore ...............................................................................................................................492
43.1 Backup/Restore Overview  ........................................................................................................ 492
43.2 Backup/Restore  .......................................................................................................................... 492
43.3 Reboot  ......................................................................................................................................... 496
Chapter 44
Diagnostic.........................................................................................................................................497
44.1 Diagnostic Overview .................................................................................................................. 497
44.1.1 What You Can Do in this Chapter ................................................................................... 497
44.2 What You Need to Know ........................................................................................................... 497
44.3 Diagnostic  ................................................................................................................................... 498
44.4 802.1ag (CFM)  ............................................................................................................................ 499
44.5 802.3ah (OAM) ............................................................................................................................ 500
44.6 OAM Ping  .................................................................................................................................... 501
Part III: Troubleshooting and Appendices..................................................504
Chapter 45
Troubleshooting................................................................................................................................505
45.1 Troubleshooting Overview ......................................................................................................... 505
45.2 Power and Hardware Problems ................................................................................................ 505
45.3 Device Access Problems  ........................................................................................................... 506
45.4 Internet Problems ........................................................................................................................ 509
45.5 WiFi Problems  .............................................................................................................................. 511
45.6 USB Problems ............................................................................................................................... 512
45.7 VoIP Problems  ............................................................................................................................. 512
45.8 UPnP Problems  ............................................................................................................................ 513
45.9 Getting More Troubleshooting Help .........................................................................................513
Appendix A  Customer Support ..................................................................................................... 514
Appendix B  Wireless LANs............................................................................................................... 519
Appendix C  IPv6.............................................................................................................................. 532
Appendix D  Services....................................................................................................................... 538
Appendix E  Legal Information ....................................................................................................... 542
...........................................................................................................................................................549