3Com 4800G Getting Started Guide - Page 73

Maintenance and Troubleshooting, Software Loading Failure, Password Loss, Software Loading, Failure

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6 MAINTENANCE AND TROUBLESHOOTING Software Loading Failure If software loading fails, the system still runs the original version. In this case, check whether the physical ports are properly connected. ■ If not, reconnect them correctly and restart the loading procedure. ■ If so, view the loading procedure information displayed on the HyperTerminal to check for input errors. If there is any input error, restart the loading procedure with correct input. Common input errors include: ■ Fail to set the baud rate of the HyperTerminal to 9,600 bps when loading the software at a baud rate other than 9,600 bps through XMODEM. ■ Enter an incorrect IP address, software name, or path of the TFTP server when using TFTP. ■ Enter an incorrect IP address, software name, username, or password when using FTP. If software loading fails when there are neither physical connection problems nor input errors, please contact your agent for help. Password Loss User Password Loss If you have forgotten the user password, you can enter the Boot Menu: BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify bootrom password 6. Enter bootrom upgrade menu 7. Skip current configuration file 8. Set bootrom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): Select 7, and then restart the switch. After the switch is restarted, the user password is removed. BootROM Password Loss Please contact with your sales agent.

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6
M
AINTENANCE
AND
T
ROUBLESHOOTING
Software Loading
Failure
If software loading fails, the system still runs the original version. In this case,
check whether the physical ports are properly connected.
■
If not, reconnect them correctly and restart the loading procedure.
■
If so, view the loading procedure information displayed on the HyperTerminal
to check for input errors. If there is any input error, restart the loading
procedure with correct input.
Common input errors include:
■
Fail to set the baud rate of the HyperTerminal to 9,600 bps when loading the
software at a baud rate other than 9,600 bps through XMODEM.
■
Enter an incorrect IP address, software name, or path of the TFTP server when
using TFTP.
■
Enter an incorrect IP address, software name, username, or password when
using FTP.
If software loading fails when there are neither physical connection problems nor
input errors, please contact your agent for help.
Password Loss
User Password Loss
If you have forgotten the user password, you can enter the Boot Menu:
BOOT MENU
1. Download application file to flash
2. Select application file to boot
3. Display all files in flash
4. Delete file from flash
5. Modify bootrom password
6. Enter bootrom upgrade menu
7. Skip current configuration file
8. Set bootrom password recovery
9. Set switch startup mode
0. Reboot
Enter your choice(0-9):
Select
7
, and then restart the switch. After the switch is restarted, the user
password is removed.
BootROM Password Loss
Please contact with your sales agent.