It is the same as Catalyst 3850.

Power cycle the switch. Immediatly press and hold the Mode button:

Hold the button till the Status LED will go amber. Then on the console you should be in Boot Loader:

Cisco Catalyst 9300 in boot loader mode

Add the following variables. Type the following command to ignore a startup configuration and boot again:

Switch: SWITCH_IGNORE_STARTUP_CFG=1

Then boot the switch.

Switch: boot

Command to ignore a startup configuration and boot

The switch will attempt to boot again:

The switch is attemping to boot

Once the switch has booted you can copy the saved config back into the running config.

Switch#  copy start runn

Next set your password(s). Finally we want to remove the variables we set while in Boot Loader.

Switch#  no system ignore startupconfig switch all

Save your new config.

Switch#  copy runn start

Cisco Catalyst 9300 Series Switches

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