Reference Guide
(during bootup)
hit any key
NOTE: You must enter the CLI commands. The system rejects them if they are copied and pasted.
4. Set the system parameters to ignore the enable password when the system reloads.
uBoot mode
setenv enablepwdignore true
5. Reload the system.
uBoot mode
reset
6. Configure a new enable password.
CONFIGURATION mode
enable {secret | password}
7. Save the running-config to the startup-config.
EXEC Privilege mode
copy running-config startup-config
Recovering from a Failed Start on the S4820T System
A system that does not start correctly might be attempting to boot from a corrupted FTOS image or from a mis-specified 
location.
In this case, you can restart the system and interrupt the boot process to point the system to another boot location. Use 
the setenv command, as described in the following steps. For details about the setenv command, its supporting 
commands, and other commands that can help recover from a failed start, the 
u-Boot
 chapter in the 
FTOS Command 
Line Reference Guide
.
1. Power-cycle the chassis (pull the power cord and reinsert it).
2. Hit any key to abort the boot process. You enter uBoot immediately, the => prompt indicates success.
(during bootup)
press any key
3. Assign the new location to the FTOS image it uses when the system reloads.
uBoot mode
setenv [primary_image f10boot location | secondary_image f10boot location | 
default_image f10boot location]
4. Assign an IP address to the Management Ethernet interface.
uBoot mode
setenv ipaddre address
5. Assign an IP address as the default gateway for the system.
uBoot mode
setenv gatewayip address
6. Reload the system.
uBoot mode
reset
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