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Thursday, September 21, 2017

Reset CISCO Router Password

## Reset CISCO Router Password ##

** Connect console cable directly with router
and open Hyper Terminal or Tera Term  or Putty or any others

** Press two times "break" button to enter rommon mode

Alt + b == for TeraTerm software to break

Ctrl + Break == for Hyper terminal

Ctrl + Break == for terminal

rommon 1>

** change config register from 0x2102 to 0x2142 to bypass passowrd

rommon 1> confreg 0x2142

** type reset to restart router or poweroff-on manually
rommon 2> reset

** type "no" or Ctrl+C to skip setup procedure
and finally press enter for login

router>
router>enable
router#
router# configure memory
router# configure terminal
router(config)#
router(config)# enable secret newpassowrd
router(config)#
router(config)#config-register 0x2102
router(config)# exit
router#
router# write  or copy running-config startup-config

** if you want to erase all previous configureations then follow bellow

router#
router# write erase
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
<Press Enter key>
router#
Router#reload
Do you want to reload the internal AP ? [yes/no]: yes
Proceed with reload? [confirm]

...
Would you like to enter the initial configuration dialog? [yes|no] no <Press Enter key>
–OR–
Do you want to save the configuration of the AP? [yes|no] no <Press Enter key>

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