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Crack pass của Router CISCO

21 Jul

• Tắt bật lại router say khoảng 15 giây. Bấm tổ hợp phím Ctrl+Break. Route sẽ vào mode Rommom.
• Rommom1>confreg 0x2142 (thay đổi cấu trúc thanh ghi thành 2142)
• Rommom2>reset (khởi động lại router) Router sẽ bỏ qua giai đoạn kiểm tra pass.
• Khi router khởi động lại xong phải thay đổi lại pass mới.
• Thay đổi lại cấu trúc thanh ghi lại thành 2102 (Router(config)#config-register 0x2102)
• Lưu lại file cấu hình.

Crack pass Switch:

    1. Connect computer to the catalyst 2950 Switch using console cable.
    2. Plug console cable RJ-45 side into console port at back of the Switch, and DB-9 side into serial port at back of computer.
    3. Plug the power cable at back of the Switch, and Holding “mode” button at left corner of the front panel for 15 seconds
    4. In Windows XP,click “Start” menu,and then move to “Accessories”—->”Communications”—->”Hyper Terminal”
    5. The system has been interrupted prior to initializing the flash file system,and it wills show the following information.
    6. In command line, type “rename flash:config.text flash:config.old”, it will rename the “config.text” configuration file in flash directory as “config.old”. after rename, it will not boot from config.old
    7. In command line, type”boot”. it will restart operating system and show the following information:
    8. In command line, type”boot”. it will restart operating system and show the following information:
    9. Enter “n” at the prompt to start the Setup program.
    10. In command line, type “enable”, it will enable privilege mode.
  • type”rename flash:config.old flash:config.text” after “switch#_”.
  • type”copy flash:config.text run” in command line. it will copy the configuration to the current running-config file
  • type”conf t” in command line , it will enable configuration terminal.
  • type”no enable password” in command line , it will remove password
  • type”no enable secret” in command line, it will remove secret
  • type”line console 0″ in command line. it changes to the console 0
  • type”no password” in command line. it means do not set password for console 0
  • type”end” in command line. it will save and quit config terminal mode
  • type”write” in command line, it saves the configration file to running-config file. when next time start the switch, there is no password required
 
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Posted by on July 21, 2011 in Network

 

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