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Cisco 3800 series User Manual

Password recovery procedure
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Password Recovery Procedure for the Cisco 3600
and 3800 Series Routers
Document ID: 22189
Contents
Introduction
Prerequisites
Requirements

Components Used

Related Products
Conventions
Step−by−Step Procedure
Example of Password Recovery Procedure
Related Information
Introduction
This document describes how to recover the enable password and the enable secret passwords. These
passwords protect access to privileged EXEC and configuration modes. The enable password password can
be recovered, but the enable secret password is encrypted and must be replaced with a new password. Use the
procedure described in this document in order to replace the enable secret password.
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
The information in this document is based on these hardware versions:
Cisco 3600 Series Router
Cisco 3800 Series Router
The information in this document was created from the devices in a specific lab environment. All of the
devices used in this document started with a cleared (default) configuration. If your network is live, make sure
that you understand the potential impact of any command.
Related Products
Refer to Password Recovery Procedures for information on how to recover passwords for related products.
Conventions
Refer to Cisco Technical Tips Conventions for information on document conventions.

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  Summary of Contents for Cisco 3800 series

  • Page 1: Components Used

    (default) configuration. If your network is live, make sure that you understand the potential impact of any command. Related Products Refer to Password Recovery Procedures for information on how to recover passwords for related products. Conventions Refer to Cisco Technical Tips Conventions for information on document conventions.
  • Page 2 Processor (NRP) or Node Switch Processor (NSP) card. ♦ In order to simulate this step on a Cisco 6x00 with NI−2, pull out and then plug in the NI−2 card. Press Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
  • Page 3 This section provides an example of the password recovery procedure. This example was created with a Cisco 2600 Series Router. Even if you do not use a Cisco 2600 Series Router, this output provides an example of what you should experience on your product.
  • Page 4 IOS (tm) C2600 Software (C2600−IS−M), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986−1999 by cisco Systems, Inc. Compiled Tue 07−Dec−99 02:21 by phanguye Image text−base: 0x80008088, data−base: 0x80C524F8 cisco 2611 (MPC860) processor (revision 0x202) with 26624K/6144K bytes of memory. Processor board ID JAB031202NK (3878188963)
  • Page 5 00:00:50: %SYS−5−RESTART: System restarted −− Cisco Internetwork Operating System Software IOS (tm) C2600 Software (C2600−IS−M), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986−1999 by cisco Systems, Inc. Compiled Tue 07−Dec−99 02:21 by phanguye 00:00:50: %LINK−5−CHANGED: Interface BRI0/0, changed state to administratively down 00:00:52: %LINK−5−CHANGED: Interface Ethernet0/0,...
  • Page 6 Router#show version Cisco Internetwork Operating System Software IOS (tm) C2600 Software (C2600−IS−M), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986−1999 by cisco Systems, Inc. Compiled Tue 07−Dec−99 02:21 by phanguye Image text−base: 0x80008088, data−base: 0x80C524F8 ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
  • Page 7: Related Information

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This manual is also suitable for:

3600 series