Password Recovery Procedure for the Catalyst 4500 switch (deleting configuration)
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***** The system will autoboot in 5 seconds *****
Type control-C to prevent autobooting. . . . Autoboot cancelled......... please wait!!!
rommon 1 > [interrupt]
rommon 1 >confreg
Configuration Summary : => console baud: 9600 => autoboot from: commands specified in 'BOOT' environment variable
do you wish to change the configuration? y/n [n]: yes enable "diagnostic mode"? y/n [n]: enable "use net in IP bcast address"? y/n [n]: enable "load rom after netboot fails"? y/n [n]: enable "use all zero broadcast"? y/n [n]: enable "break/abort has effect"? y/n [n]: enable "ignore system config info"? y/n [n]: y
change console baud rate? y/n [n]:
change the boot characteristics? y/n [n]:
Configuration Summary : => ignore system config info => console baud: 9600 => autoboot from: commands specified in 'BOOT' environment variable
do you wish to save this configuration? y/n [n]: yes You must reset or power cycle for new configuration to take effect
rommon 2 >boot
- The system will autoboot in 5 seconds *****
Type control-C to prevent autobooting. . . . Autoboot cancelled......... please wait!!!
rommon 1 > [interrupt]
rommon 2 >clear config all
This command will clear all configuration in NVRAM. This command will cause ifIndex to be reassigned on the next system startup. Do you want to continue (y/n) [n]? yes Clearing NVRAM... done!
rommon 3 >boot
* *
Loading image !!!!!!!!!!!!!!!!