How to Recover Password on the Cisco 2900 Integrated Services Router?

Cisco 2900 Series Integrated Services Routers (ISR), designed to power the next phase of branch-office evolution, deliver highly secure connectivity with multiservice integration that can transform the workplace with a broad set of integrated services, rich-media support, and operational excellence.

As a type of router for small to medium enterprise with high performance, Cisco 2900 series ISRs offer embedded hardware encryption acceleration, voice- and video-capable digital signal processor (DSP) slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, XDSL, copper and fiber GE.

More Cisco 2900 Series support follow here:

High availability and increased business uptime through Cisco IOS Software, hardware redundancy, and failover capabilities.

Modular support for the broadest set of Cisco network and security services, as well as customizable “on demand” virtual services.

Video-ready architecture supports rich media unified communications capabilities.

Defends against malicious attacks and threats to data, voice, video and mobility.

High speed wireless access enables employees to be more productive when they are away from their desks.

Give remote staff and teleworkers secure access to company assets over a highly secure connection.

Perform these steps in order to recover your password on the Cisco 2900 router:

  1. Either switch off or shut down the router.
  2. Remove the compact flash that is on the rear of the router. This image shows the rear of the Cisco 2951 router:c2900-password-recovery-01.gif
  3. Switch on the router.
  4. Once the router is on Rommon mode, reinsert the compact flash.
  5. Type confreg 0x2142 at the rommon 1> prompt in order to boot from Flash.This step bypasses the startup configuration where the passwords are stored.
  6. Type reset at the rommon 2> prompt.The router reboots, but ignores the saved configuration.
  7. Type no after each setup question, or press Ctrl-C in order to skip the initial setup procedure.
  8. Type enable at the Router> prompt.You are in enable mode and should see the Router# prompt.
  9. Type configure memory or copy startup-config running-config in order to copy the nonvolatile RAM (NVRAM) into memory.warningWarning: Do not enter copy running-config startup-config or write. These commands erase your startup configuration.
  10. Issue the show running-config command.The show running-config command shows the configuration of the router. In this configuration, the shutdown command appears under all interfaces, which indicates all interfaces are currently shut down. In addition, the passwords (enable password, enable secret, vty, and console passwords) are in either an encrypted or unencrypted format. You can reuse unencrypted passwords. You must change encrypted passwords to a new password.
  11. Type configure terminal.The hostname(config)# prompt appears.
  12. Type enable secret <password> in order to change the enable secret password. For example:
    hostname(config)#enable secret cisco
    
  13. Issue the no shutdown command on every interface that you use.If you issue a show ip interface brief command, every interface that you want to use should display up up.
  14. Type config-register <configuration_register_setting> . Where <configuration_register_setting> is either the value you recorded in step 2 or 0x2102 . For example:
    hostname(config)#config-register 0x2102
    
  15. Press Ctrl-z or end in order to leave the configuration mode.The hostname# prompt appears.
  16. Type write memory or copy running-config startup-config in order to commit the changes.

More Cisco Router Tutorials:

How to Recovery Password on Cisco 1800 Series Routers?

How to Configure Cisco 1941W?

How to Configure Cisco 3845 Routers?

How to Reset a Cisco 3900 Router?

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