Password Recovery Procedure for the Catalyst 4500 switch (deleting configuration)

Cisco WS-C4500X-32SFP+ / set to default, JK

break sequence

***** 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

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