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Cisco_Notes.txt

Guest on 14th September 2021 09:17:27 PM

  1. +----------------------------------------+
  2. |Wiping the current router configuration |     
  3. +----------------------------------------+
  4.  
  5. Use this method if you don't know the current password.
  6. 1.  Log on to the router, and enter the privileged EXEC mode by entering enable and then
  7. entering the enable password command.
  8.  
  9. 2. Enter configure terminal to go to Global Configuration Mode.
  10.  
  11. 3. Enter config-register 0x2142. (This causes the router to ignore the startup
  12. configuration on the next reload.)
  13.  
  14. 4. Enter end, and reload the router by entering reload at the Router# prompt.
  15.    
  16. 5. The system will ask whether you want to save the configuration. Enter no, and confirm
  17. the reload at the next prompt.
  18.  
  19. 6. After the router has reloaded, the system will ask whether you want to enter the initial
  20. configuration dialog. Enter no.
  21.  
  22. 7. Change the configuration register setting to 0x2102 by entering enable and configure
  23. terminal to go back to Global Configuration Mode and then entering config-register
  24. 0x2102.
  25.  
  26. 8. Enter end, and then enter write memory to overwrite the existing startup configuration
  27. with the current blank running configuration.
  28.  
  29. 9. Enter reload to reload the router and complete the wiping operation.
  30.  
  31.  
  32. Use this method if you know the current password.
  33. 1.  Log on to your router, and enter the privileged EXEC mode by entering enable and
  34. then entering the enable password command.
  35.  
  36. 2. Enter configure terminal to go to Global Configuration Mode.
  37.  
  38. 3. Enter config-register 0x2102.
  39.  
  40. 4. Enter end, and then enter the write erase command to delete the current startup
  41. configuration on the router.
  42.  
  43. 5. Enter reload to reload the router. When the system asks whether you want to save the
  44. configuration, enter no.
  45.  
  46. +--------------------------------+
  47. |Finding Free Cisco IOS Firmware |
  48. +--------------------------------+
  49.  
  50. http://www.tfr.org/firmware/cisco-ios/
  51. http://alvaro.reguly.com/cic/net/Cisco/ios/
  52.  
  53. google Search:
  54. "index of/" "c2500" "cisco" "parent directory"
  55. "index of/" "c2500" "bin" "parent directory"
  56.  
  57.  
  58. Cisco IOS Naming convention
  59. http://www.cisco.com/warp/public/620/1.html#5-1

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