Delete / Erase Password on Cisco 2600, 2800, 3600, 3700, 3800, series routers

Step 1: Hit ctrl / break directly after powering up the router.

Step 2: type: confreg 0x2142 from rommon 1>

Step 3: type: reset from rommon 2>

Step 4: Would you like to enter the initial configuration dialog? [yes/no]: answer NO

Step 5: type: en from router>

Step 6: type: COPY STARTUP-CONFIG RUNNING-CONFIG from router#>

Step 7: type: SHOW RUNNING-CONFIG from router#>

Step 8: type: CONFIGURE TERMINAL from router#> to edit or remove any existing passwords enter Global Configuration

Step 9: Type enable secret <password> in order to change the enable secret password or type NO ENABLE SECRET to remove the secret from router(config)#>

Step 10: type: NO ENABLE PASSWORD to remove the password from router (config)#>

Step 11: Type the no shutdown command on every interface that you use.

Step:Hit Ctrl / z" or endto leave the configuration mode.

Step:Type write memory or copy running-config startup-config to save the changes.