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Password Recovery Procedure for the Cisco 2000, 2500, 3000, 4000, AccessPro, and 7000DescriptionThis document describes the password recovery procedure for the following Cisco products:
Step-by-Step Procedure
9600 baud rate Example of Password Recovery on a Cisco 2500The example shown here is password recovery on a Cisco 2500. Router>en Password: Password: Password: % Bad secrets Router>show version Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-JS-L), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Mon 06-Dec-99 17:10 by phanguye Image text-base: 0x0306C4E0, data-base: 0x00001000 ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE BOOTFLASH: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE SOFTWARE (fc1) Router uptime is 5 minutes System returned to ROM by power-on System image file is "flash:/c2500-js-l.120-7.T" cisco 2500 (68030) processor (revision D) with 8192K/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 Router> !--- The router was just powercycled and during bootup a !--- break sequence was sent to the router. ! Abort at 0x10EA83C (PC) >o/r 0x2142 >i System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE Copyright (c) 1986-1995 by cisco Systems 2500 processor with 8192 Kbytes of main memory F3: 13626872+197596+780568 at 0x3000060 Restricted Rights Legend Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706 Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-JS-L), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Mon 06-Dec-99 17:10 by phanguye Image text-base: 0x0306C4E0, data-base: 0x00001000 cisco 2500 (68030) processor (revision D) with 8192K/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) --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]: !--- Ctrl-C pressed ! Press RETURN to get started! 00:00:08: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up 00:00:08: %LINK-3-UPDOWN: Interface Serial0, changed state to up 00:00:08: %LINK-3-UPDOWN: Interface Serial1, changed state to up 00:00:09: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to up 00:00:09: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed state to up 00:01:29: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0, changed state to up 00:01:29: %LINK-3-UPDOWN: Interface Ethernet0Translating "Router"...domain server (255.255.255.255) , changed state to up 00:01:30: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed state to up 00:01:31: %SYS-5-RESTART: System restarted -- Cisco Internetwork Operating System Software IOS (tm) 2500 Software (C2500-JS-L), Version 12.0(7)T, RELEASE SOFTWARE (fc2) Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Mon 06-Dec-99 17:10 by phanguye 00:01:32: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down 00:01:33: %LINK-5-CHANGED: Interface Ethernet0, changed state to administratively down 00:01:33: %LINK-5-CHANGED: Interface Serial0, changed state to administratively down 00:01:33: %LINK-5-CHANGED: Interface Serial1, changed state to administratively down 00:01:33: %LINK-5-CHANGED: Interface TokenRing0, changed state to administratively down 00:01:34: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0, changed state to down 00:01:34: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed state to down 00:01:34: %LINEPROTO-5-UPDOWN: Line protocol on Interface TokenRing0, changed state to down Router>en Router#copy start run Destination filename [running-config]? 1278 bytes copied in 10.448 secs (127 bytes/sec)Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#enable secret Cisco Router(config)#int e0 Router(config-if)#no shut *Mar 1 00:04:12.863: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up *Mar 1 00:04:13.947: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0, changed state to up Router(config-if)#int s0 Router(config-if)#no shut *Mar 1 00:04:18.107: %LINK-3-UPDOWN: Interface Serial0, changed state to up *Mar 1 00:04:19.167: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to up Router(config-if)#int s1 Router(config-if)#no shut Router(config-if)# *Mar 1 00:04:27.055: %LINK-3-UPDOWN: Interface Serial1, changed state to up *Mar 1 00:04:28.071: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed state to up Router(config-if)#exit Router(config)#config-register 0x2102 Router(config)#^Z Router#wr mem *Mar 1 00:05:09.035: %SYS-5-CONFIG_I: Configured from console by console Building configuration... [OK] Router# Router# |