Sections:
Use Case Scenarios:
Switch Recovery
Enter RONMON Mode.
Rename current running-config and reload to ignore.
Once accessed rename current running-config back to config.text then update password.
Router Recovery
Upon rebooting router, send break sequence at initializing phase to enter RONMON mode (Ctrl+C).
Change confreg value to 0x2142 to ignore the startup-config after reload.
Save the startup-config to the running-config then replace password.
Change the config-register value to 0x2102 to reload normally and then save running-config to startup-config.
Reload and use the new password to access device.