![]() Even if you do not use a Cisco 2600 Series Router, this output provides an example of what you experience on your product. This example was created with a Cisco 2600 Series Router. This section provides an example of the password recovery procedure. Type write memory or copy running-config startup-config in order to commit the changes. ![]() Press Ctrl-z or end in order to leave the configuration mode. For example: hostname(config)# config-register 0x2102 Where configuration_register_setting is either the value you recorded in step 2 or 0x2102. If you issue a show ip interface brief command, every interface that you want to use must display up up. ![]() Issue the no shutdown command on every interface that you use. For example: hostname(config)# enable secret cisco Type enable secret in order to change the enable secret password. You must change encrypted passwords to a new password. In addition, the passwords (enable password, enable secret, vty, console passwords) are in either an encrypted or unencrypted format. In this configuration, the shutdown command appears under all interfaces, which indicates all interfaces are currently shut down. The show running-config command shows the configuration of the router. These commands erase your startup configuration. Type configure memory or copy startup-config running-config in order to copy the nonvolatile RAM (NVRAM) into memory.Ĭaution: Do not type copy running-config startup-config or write. You are in enable mode and must see the Router# prompt. Type no after each setup question, or press Ctrl-C in order to skip the initial setup procedure. The router reboots, but ignores the saved configuration. This step bypasses the startup configuration where the passwords are stored. Type confreg 0x2142 at the rommon 1> prompt in order to boot from Flash. If the break sequence does not work, refer to Standard Break Key Sequence Combinations During Password Recovery for other key combinations. Press Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON. Use the power switch in order to turn off the router, and then turn the router back on. If you can no longer access the router (because of a lost login or TACACS password), you can safely assume that your configuration register is set to 0x2102. Note: The configuration register is usually set to 0x2102 or 0x102. See Example of Password Recovery Procedure in order to view the output of a show version command. If you can access the router, type show version at the prompt, and record the configuration register setting. Refer to these documents for information on how to cable and connect a terminal to the console port or the AUX port:Ĭonnecting a Terminal to the Console Port on Catalyst SwitchesĬonnect a Terminal to Catalyst 2948G-元, 4908G-元, and 4840G Series Switches Use these steps in order to recover your password:Īttach a terminal or PC with terminal emulation to the console port of the router. Use the procedure described in this document in order to replace the enable secret password. The enable password password can be recovered, but the enable secret password is encrypted and must be replaced with a new password. These passwords protect access to privileged EXEC and configuration modes. Refer to Cisco Technical Tips Conventions for information on document conventions. ![]() Refer to Password Recovery Procedures for information on how to recover passwords for related products. If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. The information in this document is based on the Cisco 881 Series Router. There are no specific requirements for this document. This document describes how to recover the enable password and the enable secret passwords.
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