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Reset password

Reset Cisco IOS Password

  • Serial setting
    • 9600 baud rate
    • No parity
    • 8 data bits
    • 1 stop bit
    • No flow control
  • Hold the Mode button while power up the switch
  • If the switch no Mode button...
    • Send Break key in 15 seconds while power up

USB to Serial (RS232) cable may be not working

Reference

  • Serial setting
    • 1200 baud rate
    • No parity
    • 8 data bits
    • 1 stop bit
    • No flow control
  • Repeatedly press Space for 10~15 seconds while reboot
  • Change serial setting
    • 9600 baud rate
    • No parity
    • 8 data bits
    • 1 stop bit
    • No flow control

For Switch

switch: flash_init
switch: load_helper
switch: dir flash:
switch: rename flash:config.text flash:config.old
switch: boot
Switch# rename flash:config.old flash:config.text
Switch# copy flash:config.text system:running-config
Switch# conf t
Switch(config)# enable password <password>