twelve。 Exchange routing password recovery

What do you do when your login password suddenly forgets? Don't be afraid. We can reset the password according to the following steps.

CISCO Cisco Router password recovery:

V restart the router while pressing the Ctrl+ break key to interrupt the loading of the IOS and enter the ROM system.

V modify the default value of the configuration register 0X2102 to 0X2142, which means that the configuration of NV is ignored at startup.

> confreg 0x2142

> reset

V manually load the NV configuration into RAM.

# copy startup-config running-config

V choose to reset the password.

2 password reset with reserved configuration: (config) # password 123

(config) # config-register 0x2102

# wr

2 do not retain configured password reset: (config) # erase nvram

(config) # config-register 0x2102

# wr

CISCO Cisco switch password recovery:

V unplug the switch.

V press and hold the mode key, replug in the power supply and enter the switch ROM system.

V initialize Flash.

Switch: flash_init

V change the config.text file to config.old.

Switch: rename flash:config.text flash:config.old

V restart the switch.

Switch:reboot

V choose to reset the password.

2 reserved configuration password reset: # rename flash:config.old flash:config.text

# copy flash:config.text system:running-config

# password 123

# wr

2 do not retain configured password reset: # delete config.old

# copy flash:config.text system:running-config

# wr

Password recovery of Huawei switching routing equipment:

V restart the switch

V Press Ctrl+b to enter the ROOTROM interface

V enter the factory password Admin@huawei.com

V press the number'7' to clear the login password

V restart the switch by pressing the number'1'

V reset password