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25-2
Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Chapter 25 Troubleshooting
Using Recovery Procedures
Follow these steps to recover from a software failure:
Step 1 Connect a PC with terminal-emulation software supporting the Xmodem Protocol to the switch service
port.
Step 2 Set the line speed on the emulation software to 9600 baud.
Step 3 Power down the switch from the management module.
Step 4 Power up the switch from the management module.
The software image does not load. The switch starts in boot loader mode, which is indicated by the
switch# prompt.
Step 5 Use the boot loader to enter commands, and start the transfer.
switch# copy xmodem: flash:
image_filename.bin
Step 6 When the Xmodem request appears, use the appropriate command on the terminal-emulation software
to start the transfer and to copy the software image to flash memory.
Recovering from Lost or Forgotten Passwords
Follow these steps if you have forgotten or lost the switch password on a switch:
Step 1 Connect a terminal or PC with terminal emulation software to the service port. For more information,
see the switch hardware installation guide.
Note You can configure your switch for Telnet by following the procedure in the “Accessing the CLI”
section on page 2-9.
Step 2 Set the line speed on the emulation software to 9600 baud.
Step 3 Power down the switch from the management module.
Step 4 Power up the switch from the management module and, within 15 seconds, press the Break key from the
terminal emulation window to force the switch into ROMMON mode.
Several lines of information about the software appear, as do instructions:
The system has been interrupted prior to initializing the flash file system. These
commands will initialize the flash file system, and finish loading the operating system
software:
flash_init
load_helper
boot
Step 5 Initialize the flash file system:
switch: flash_init
Step 6 If you had set the service port speed to anything other than 9600, it has been reset to that particular speed.
Change the emulation software line speed to match that of the switch service port.