User's Manual

4-15
Press “ctrl+b” on switch boot up until the switch enters BootROM monitor mode. The operation result is shown
below:
[Boot]:
Step 3:
Under BootROM mode, run “setconfig” to set the IP address and mask of the switch under BootROM mode,
server IP address and mask, and select TFTP or FTP upgrade. Suppose the switch address is 192.168.1.2,
and PC address is 192.168.1.66, and select TFTP upgrade, the configuration should like:
[Boot]: setconfig
Host IP Address: [10.1.1.1] 192.168.1.2
Server IP Address: [10.1.1.2] 192.168.1.66
FTP(1) or TFTP(2): [1] 2
Network interface configure OK.
[Boot]
Step 4:
Enable FTP/TFTP server in the PC. For TFTP, run TFTP server program; for FTP, run FTP server program.
Before start downloading upgrade file to the switch, verify the connectivity between the server and the switch
by ping from the server. If ping succeeds, run “load” command in the BootROM mode from the switch; if it fails,
perform troubleshooting to find out the cause. The following is the configuration for the system update image
file.
[Boot]: load nos.img
Loading...
Loading file ok!
Step 5:
Execute write nos.img in BootROM mode. The following saves the system update image file.
[Boot]: write nos.img
File nos.img exists, overwrite? (Y/N)?[N] y
Writing nos.img.....................................................
Write nos.img OK.
[Boot]:
Step 6:
The following update file boot.rom, the basic environment is the same as Step 4.
[Boot]: load boot.room