Bootrom Monitor Mode Commands
3-36 Software Configuration
Watchdog Timer Expiration
When the internal watchdog timer expires, causing the XSR to fail, fault information is captured in
a report and a warm boot is initiated. But if more than three warm boots are detected within one
minute, a cold boot will be initiated.
System Crash
When system exceptions occur causing the XSR to fail, fault information is captured in a report
and a warm boot is initiated. But if more than three warm boots are detected within one minute, a
cold boot will be initiated.
Restart with Default Configuration Interrupt
When you press the Default button on the back panel, the XSR restarts using factory default
parameters and deletes the
startup-config
file.
Power-up Error Conditions
After power-up, the XSR comes up automatically if:
•
The minimum hardware is functional: Processor, RAM and FLASH memory, and other
components.
•
Bootrom is valid.
•
The software image in Flash is valid.
Bootrom Monitor Mode Commands
Bootrom monitor mode offers special user access when the XSR-1850 lacks valid software or runs
abnormally. Enter the mode by pressing the key combination (
CTRL-C
) during the first five
seconds of initialization. After you access the mode, list command groups by typing
h
to show the
text below:
b
Boot
f Files
n Network
s Status
t
Time and Date
D
For Development Only
All the commands in each group can be listed by entering the command group letter. The main
menu provides the following functions:
•
Reboot warm or cold
•
Update Bootrom
•
File system-related commands for the Flash ROM file system
•
Modify network parameters
•
Various status/show commands
• Version number
• Hardware information
• Display crash info
