ZyXEL Communications Network Router NOT AVAILABLE Instrukcja Użytkownika Pobierz pdf (Strona 231)

Chapter 35 File Manager

NXC CLI Reference Guide

231

35.8 Notification of a Damaged Recovery Image or Firmware

The NXC’s recovery image and/or firmware could be damaged, for example by the power

going off during a firmware upgrade. This section describes how the NXC notifies you of a

damaged recovery image or firmware file. Use this section if your device has stopped

responding for an extended period of time and you cannot access or ping it. Note that the NXC

does not respond while starting up. It takes less than five minutes to start up with the default

configuration, but the start up time increases with the complexity of your configuration.

1 Use a console cable and connect to the NXC via a terminal emulation program (such as

HyperTerminal). Your console session displays the NXC’s startup messages. If you

cannot see any messages, check the terminal emulation program’s settings (see Section

1.2.1 on page 16) and restart the NXC.

2 The system startup messages display followed by “Press any key to enter debug mode

within 3 seconds.”

 Do not press any keys at this point. Wait to see what displays next.

Figure 21 System Startup Stopped

3 If the console session displays “Invalid Firmware”, or “Invalid Recovery Image”, or the

console freezes at "Press any key to enter debug mode within 3 seconds" for more than

one minute, go to Section 35.9 on page 232 to restore the recovery image.

Figure 22 Recovery Image Damaged

4 If “Connect a computer to port 1 and FTP to 192.168.1.1 to upload the new file”

displays on the screen, the firmware file is damaged. Use the procedure in Section 35.10

on page 234 to restore it. If the message does not display, the firmware is OK and you do

not need to use the firmware recovery procedure.

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