Delete / Erase / Change Password for the Cisco Catalyst 8510 Multiservice Switch Router

Note: This password recovery procedure works for the following Cisco products:

* Cisco 806	* Cisco 827	* Cisco uBR900	* Cisco 1003
* Cisco 1004	* Cisco 1005	* Cisco 1400	* Cisco 1600
* Cisco 1700	* Cisco 2600	* Cisco 3600	* Cisco 4500
* Cisco 4700	* Cisco AS5x00	* Cisco 6x00	* Cisco 7000 (RSP7000)
* Cisco 7100	* Cisco 7200	* Cisco 7500	* Cisco uBR7100
* Cisco uBR7200	* Cisco uBR10000	* Cisco 12000	* Cisco LS1010
* Catalyst 2948G-L3	* Catalyst 4840G	* Catalyst 4908G-L3	* Catalyst 5500 (RSM)
* Catalyst 8510-CSR	* Catalyst 8510-MSR	* Catalyst 8540-CSR	* Catalyst 8540-MSR
* Cisco MC3810	* Cisco NI-2	* Cisco VG200 Analog Gateway	* Route Processor Module

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

    If the break sequence does not work, refer to Standard Break Key Sequence Combinations During Password Recovery 
    for other key combinations. 

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 enable at Router>

Step 6:Type configure memory or copy startup-config running-config.

Step 7: Type show running-config.

Step 8: Type configure terminal to change or remove the password from the router.

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

Step 12: Type config-register 0x2102. .

Step 13: Hit Ctrl / z or end to leave the configuration mode.

Step 14: Type write memory or copy running-config startup-config to save the changes.