cisco 2600密码恢复

爱死你了

　　ctrl+break         //中断进入rommon模
　　Rommon 1 > confreg 0x2142（针对1600、2600系列路由器）
　　(如果是1500、2500系列路由器，输入“o/r 0x2142”命令)
　　Rommon 2 > reset （重新启动路由器）
　　进入后EN就不需要密码
　　Router#reload
　　System configuration has been modified. Save? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　System configuration has been modified. Save? [yes/no]: yes
　　Building configuration...
　　[OK]

　　Proceed with>
　　*Mar  1 00:16:43.275: %SYS-5-RELOAD:>
　　System Bootstrap, Version 11.3(2)XA4,>　　Copyright (c) 1999 by cisco Systems, Inc.
　　TAC:Home:SW:IOS:Specials for info
　　C2600 platform with 65536 Kbytes of main memory
　　PC = 0xfff0a530, Vector = 0x500, SP = 0x80004374
　　monitor: command "boot" aborted due to user interrupt
　　rommon 1 > ?
　　alias               set and display aliases command
　　boot                boot up an external process
　　break               set/show/clear the breakpoint
　　confreg             configuration register utility
　　cont                continue executing a downloaded image
　　context             display the context of a loaded image
　　cookie              display contents of cookie PROM in hex
　　dev                 list the device table
　　dir                 list files in file system
　　dis                 display instruction stream
　　dnld                serial download a program module
　　frame               print out a selected stack frame
　　help                monitor builtin command help
　　history             monitor command history
　　meminfo             main memory information
　　repeat              repeat a monitor command
　　reset               system reset
　　set                 display the monitor variables
　　stack               produce a stack trace
　　sync                write monitor environment to NVRAM
　　sysret              print out info from last system return
　　tftpdnld            tftp image download
　　unalias             unset an alias
　　unset               unset a monitor variable
　　xmodem              x/ymodem image download
　　rommon 2 > confreg 0x2142
　　You must reset or power cycle for new config to take effect
　　rommon 3 > reset

　　System Bootstrap, Version 11.3(2)XA4,>　　Copyright (c) 1999 by cisco Systems, Inc.
　　TAC:Home:SW:IOS:Specials for info
　　C2600 platform with 65536 Kbytes of main memory

　　program load complete, entry point: 0x80008000,>　　Self decompressing the image : ####################################################################################################################################################################################################################################################################### [OK]
　　Smart Init is enabled
　　smart init is sizing iomem

　　>　　0000A2          0X00103980 C2600 Dual Fast Ethernet
　　0X00098670 public buffer pools
　　0X00211000 public particle pools
　　TOTAL:          0X003ACFF0
　　If any of the above Memory Requirements are
　　"UNKNOWN", you may be using an unsupported
　　configuration or there is a software problem and
　　system operation may be compromised.
　　Rounded IOMEM up to: 4Mb.
　　Using 6 percent iomem. [4Mb/64Mb]
　　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) C2600 Software (C2600-IK9O3S3-M), Version 12.3(26),>　　Technical Support: http://www.cisco.com/techsupport
　　Copyright (c) 1986-2008 by cisco Systems, Inc.
　　Compiled Mon 17-Mar-08 15:23 by dchih
　　This product contains cryptographic features and is subject to United
　　States and local country laws governing import, export, transfer and
　　use. Delivery of Cisco cryptographic products does not imply
　　third-party authority to import, export, distribute or use encryption.
　　Importers, exporters, distributors and users are responsible for
　　compliance with U.S. and local country laws. By using this product you
　　agree to comply with applicable laws and regulations. If you are unable
　　to comply with U.S. and local laws, return this product immediately.
　　A summary of U.S. laws governing Cisco cryptographic products may be found at:
　　http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
　　If you require further assistance please contact us by sending email to
　　export@cisco.com.
　　cisco 2621 (MPC860) processor (revision 0x102) with 61440K/4096K bytes of memory.

　　Processor board>　　M860 processor: part number 0, mask 49
　　Bridging software.
　　X.25 software, Version 3.0.0.
　　2 FastEthernet/IEEE 802.3 interface(s)
　　32K bytes of non-volatile configuration memory.
　　16384K bytes of processor board System flash (Read/Write)
　　--- System Configuration Dialog ---
　　Would you like to enter the initial configuration dialog? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　Would you like to enter the initial configuration dialog? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　Would you like to enter the initial configuration dialog? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　Would you like to enter the initial configuration dialog? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　Would you like to enter the initial configuration dialog? [yes/no]:
　　% Please answer 'yes' or 'no'.
　　Would you like to enter the initial configuration dialog? [yes/no]: n
　　Press RETURN to get started!
　　*Mar  1 00:00:04.603: %LINEPROTO-5-UPDOWN: Line protocol on Interface VoIP-Null0, changed state to up
　　*Mar  1 00:00:20.167: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
　　*Mar  1 00:00:20.167: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
　　*Mar  1 00:00:21.167: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to down
　　*Mar  1 00:00:21.167: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
　　*Mar  1 00:00:23.975: %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to administratively down
　　*Mar  1 00:00:23.979: %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to administratively down
　　*Mar  1 00:00:25.663: %SYS-5-RESTART: System restarted --
　　Cisco Internetwork Operating System Software

　　IOS (tm) C2600 Software (C2600-IK9O3S3-M), Version 12.3(26),>　　Technical Support: http://www.cisco.com/techsupport
　　Copyright (c) 1986-2008 by cisco Systems, Inc.
　　Router>
　　Compiled Mon 17-Mar-08 15:23 by dchih
　　*Mar  1 00:00:25.663: %SNMP-5-COLDSTART: SNMP agent on host Router is undergoing a cold start
　　Router>
　　Router>
　　Router>en
　　Router#conf t
　　Enter configuration commands, one per line.  End with CNTL/Z.
　　Router(config)#exit
　　Router#copy run
　　*Mar  1 00:00:52.683: %SYS-5-CONFIG_I: Configured from console by console
　　Router#copy running-config st
　　Router#copy running-config startup-config
　　Destination filename [startup-config]?
　　Building configuration...
　　[OK]
　　Router#