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Cisco路由器口令的恢复(600)
http://www.21tx.com 2005年11月10日

  The steps below describe how to recover a password on the CISCO 600 series of routers.

  Step 1: Enter RMON mode.

  To do this, follow the steps below:

  Connect your PC to the console port of the router.

  Set your Terminal Access Program (such as HyperTerminal in Windows) to the following settings:

  Baud rate: 38400 bps recommended (standard 9600 bps possible)

  Data bits: 8

  Parity: None

  Stop bits: 1

  Flow control: None

  Power cycle the router (turn the router off, then on using the router's power switch)

  As soon as you see the Hello! prompt, type Ctrl-C.

  You are now in RMON mode.

  Step 2: If you need to save the configuration file, execute the following command:

  db fef80030 100

  This command prints the configuration to the screen. The last number indicates the number of bytes to display. Use a value of 100 bytes or more for the number of bytes to display.

  Note: You must use the enable password command for the password to display encrypted during password recovery.

  Step 3: Look for your encrypted password.

  The text of the password will be altered by two letters. For example, using the key a = c, b = d, c = e, and so on, the password "cisco" would be "agqam".

  Step 4: (This step is optional.) Erase the current configuration.

  An example is shown below:

  =>es 6

  Erasing sector 00000006...

  Sector erased

  =>rb

  Hello!

  CBOS v2.0.1.01

  Note: This step reboots a Cisco 600 series router with no configuration. You will need to redo the configuration and then use the write command to save the changes to NVRAM.

  Step: 5: Reboot the router.

  An example is shown below:

  rb


  

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