Cisco 1700 Password Recovery - 1710, 1711, 1720, 1721, 1750, 1751, 1760

You have just hit that point of slight frustration. We have all been there when we forget passwords on any network router or switch. Have no fear. Here is a basic procedure in resetting your Cisco 1700 router. These password recovery instructions work for the Cisco 1710, 1711, 1720, 1721, 1750. 1751 and 1760 routers. Please follow the password recovery procedure instructions in order to get back into your Cisco router. Remember to follow the instructions exactly or you could potentially erase your stored configuration.

  1. Connect a terminal or PC with terminal emulation to the console port of the router and ensure you have the correct terminal settings. They include no flow control, 1 stop bit, 8 data bits, no parity and 9600 baud rate.
  2. If you are able to access the router, enter in show version at the prompt screen, and document the configuration register setting.
  3. Next, turn off the router and wait about 5 seconds and turn it back on.
  4. Press break on the terminal keyboard within 1 minute of power up in order to the router into ROMmon.
  5. Enter in confreg 0x2142 at the rommon 1> prompt in order to boot the from Flash.
  6. Type reset at the rommon 2> prompt.
  7. Type no after each setup question or press Ctrl+C to bypass all questions.
  8. Type enable at the Router> prompt
  9. Type configure memory or copy startup-config running-config in order to copy NVRAM into memory.
  10. Type show running-config
  11. Type configure terminal
  12. Type enable secret <enter in a password that you will remember> in order to change the enable secret password.
  13. Issue the no shutdown command on every single interface that you use.
  14. Type config-register . This typically is 0x2102.
  15. Press Ctrl-z or end to leave config mode.
  16. Type write memory or copy running-config startup-config to commit the modifications
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