Password Recovery Procedure for the Cisco 1700, 2600, 3600, etc

Ξ June 4th, 2007 | → 18 Comments | ∇ Cisco, Technology |

This document describes the procedure for recovering enable password or enable secret passwords. These passwords are used to protect access to privileged EXEC and configuration modes. The enable password password can be recovered, but the enable secret password is encrypted and can only be replaced with a new password using the procedure below.

This password recovery procedure can also be used for the following 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 6×00
* 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-by-Step Procedure
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Password Recovery Procedure for the Cisco 2000 & 2500

Ξ June 4th, 2007 | → 0 Comments | ∇ Cisco, Technology |

This section provides an example of the password recovery procedure. This example uses a Cisco 2500 Series Router.

Router>enable
Password:
Password:
Password:
% Bad secrets
Router>show version

Cisco Internetwork Operating System Software

IOS ™ 2500 Software (C2500-JS-L), Version 12.2(24a)
RELEASE SOFTWARE (fc3)

Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Fri 28-May-04 19:30 by pwade

Image text-base: 0x0306C4E0, data-base: 0x00001000

ROM: System Bootstrap, Version 11.0(10c), RELEASE SOFTWARE
BOOTFLASH: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c),
RELEASE SOFTWARE (fc1)Router uptime is 5 minutes
System returned to ROM by power-on
System image file is “flash:/c2500-js-l.122-24a.bin”

cisco 2500 (68030) processor (revision D) with 14336K/2048K bytes of memory.

Processor board ID 02315272, with hardware revision 00000000

Bridging software.

X.25 software, Version 3.0.0.

SuperLAT software (copyright 1990 by Meridian Technology Corp).

TN3270 Emulation software.

1 Ethernet/IEEE 802.3 interface(s)

1 Token Ring/IEEE 802.5 interface(s)

2 Serial network interface(s)

32K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102

!— This is the current value of the configuration register.

Router>

!— The router was just power cycled and during bootup
!— break sequence is sent to the router (CTRL+Break).

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