Cisco router password does not know how to do? Restore forgotten or lost enable password in the Cisco router, a total of two methods, depending on the router you are using which a range of products.
Cisco router password recovery
Using this method allows the following Cisco router password recovery: Cisco2000 Series, 2500 Series, 3000 Series, the use 680x0MotorolaCPU the Cisco4000 series, running over 10.0 CiscoIOS system 7000 series routers.
(1) in the router’s console port connected to a terminal or a PC with terminal emulation software is installed.
2 input showversion command and then note the register value, usually 0x2102or0x102 display this value in the last line, pay attention to whether the configuration register Break is set to enable or disable.
The default configuration register value is 0×2102. The third digit of this value from the left one, is disableBreak; If zero, the Break for enabled.
(3) cut off the power then restart.
(4) router to start within 60 seconds on the terminal, press the Break key. Will show the rommon> prompt. If the prompt is not so, the terminal does not send the right interrupt signal, check the Break key is correct or whether it is set to the disable.
. Prompt to enter o/r0x42 or o/r0x41, o/r0x42 mean from Flashmemory guide, o/r0x41 mean from the ROMs to boot (note, the first character is the letter o, not zero). Best to use the 0×42 case Flashmemory are not equipped or erase the use 0×41 if 0×41, you can only view or erase the configuration, you can not directly change the password.
6 Enter the initialization command in the rommon> prompt.
Input system configuration dialog prompt knock no, have been waiting for prompt information: PressRETURNtogetstarted
Hit Enter, the Router> prompt appears.
9 Enter the enable command, the Router # prompt appears.
Select an option below:
If the password is not encrypted,cisco switch morenvram: startup-config command can see the password; password encrypted, and can not see, can only be modified, enter the command as follows:
Router # configurememory Router # configureterminal Router (config) # enablesecret1234abcd Router (config) # ctrl-z Router # writememory
11 at the EXEC prompt, enter configureterminal enter configuration mode. Enter the config-register command, the register values recorded in the second step to recovery.
12 knock the Ctrl-Z to exit the configuration state.
13 in privilege mode saved using writememory command configuration,cisco firewall router then reboot reboot.
Cisco router password recovery
Using this method allows the following Cisco router password recovery: Cisco1003 1600 series, 3600 series, 4500 series, 7200 series, 7500 series and IDTOrion-Based Router, the first four steps and the first method.
Rommon> prompt to enter the confreg a command.
Doyouwishtochangeconfiguration [y / n]?
Enter yes, and then press Enter. Has been chosen to answer the questions, no, until "ignoresystemconfiginfo [y / n]?" Enter yes. Then went on to knock no answer has been to see the "changebootcharacteristics [y / n]?" And enter yes.
entertoboot: 2 and 1 are two options in this prompt. If Flashmemoryiserased select a so only vieworerase of configuration, can not directly modify the password. The best choice for two. The following prompt: Doyouwishtochangeconfiguration [y / n]? Answer the no and press Enter to display the "rommon>".
6. Enter the reload privileged EXEC command.
Cisco router password recovery operations to this,cisco e2000 router followed by operation with the first method.