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following figure, or easy to remember the number, the number of pure one in the following figure, the first four after four, the previous seven, two-bit superposition and so on, hackers collect these commonly used numbers, they made a dictionary of passwords, the operation speed will be faster, There are more ways, if hackers use WPA-PSK Hash tables to crack method, it can increase the crack speed tens of thousands of times, even if the eight-digit full run again, only a few minutes or a few se
following command: Global mode: from privileged mode, we can enter global mode. In this mode, you can change the entire configuration of the vro. If you need to change the configuration, you need the following command. This is an example of how to enter the global mode.
By default, if you do not set a password for the Cisco vro console, you can access the user m
shown above, and then click the Save button to complete the setting of the login user and password.
If you change the password, then we can crack it in the following way.
If the network administrator has forgotten the username and password, the router can only be reset an
. If it is 1, it is disable Break. If it is 0, Break is enabled.
3. Shut down the power supply and restart.
4. Press the Break key on the terminal within 60 seconds after the vro starts. The rommon> prompt is displayed. If this is not the case, the terminal does not send a correct interrupt signal to check whether the Break Key is correct or whether it is set to disable.
5. enter o/r0x42 or o/r0x41 at the prompt. o/r0x42 means to boot from Flash memory, and o/r0x41 means to boot from ROMs (note
is 1, it is disable Break. If it is 0, Break is enabled.
3. Shut down the power supply and restart.
4. Press the Break key on the terminal within 60 seconds after the vro starts. The rommon> prompt is displayed. If this is not the case, the terminal does not send a correct interrupt signal to check whether the Break Key is correct or whether it is set to disable.
5. enter o/r0x42 or o/r0x41 at the prompt. o/r0x42 means to boot from Flash memory, and o/r0x41 means to boot from ROMs (note that th
is from the left and the third number is disable if it is 1, and if zero, the break is enabled. 3. Turn off the power and reboot. 4. Press the break key on the terminal within 60 seconds of the router's startup. The rommongt; prompt is displayed. If the prompt is not the case, the terminal does not issue the correct interrupt signal to check whether the break key is correct or is set to disable. 5. At the prompt, enter o/r0x42 or o/r0x41,o/r0x42 meaning to boot from the flash memory, o/r0
left and the third number is disable if it is 1, and if zero, the break is enabled.
3. Power off and reboot.
4. Press the break key on the terminal within 60 seconds of the router's startup. The rommon> prompt is displayed. If the prompt is not the case, the terminal does not issue the correct interrupt signal to check whether the break key is correct or is set to disable.
5. Enter o/r0x42 or o/r0x41,o/r0x42 at the prompt to boot from the flash memory, o/r0x41 meaning to boot from the ROMs (
wireless security settings: Click the wireless settings below wireless security settings We can see our wireless router password (because it is clear) so directly in the need to use wireless devices to enter the password can be used.
Change password do not forg
I. vro password recovery
Follow these steps to restore the vro password:
1. Turn off the power of the router and re-power the router after 10 seconds. When the router is powered (within 60 seconds after the router is restarted) pr
Router) 8. Type the Router#configure terminal command to configure, to find (or overwrite) a valid password that is forgotten from the configuration table, and be sure to write to the NVRAM after the change is complete (router#write memory copy Running-config Startup-conf
to the prompts that appear;
6. Type "Enable" (no password, press ENTER);
7. Change password (whether or not encrypted):
A. Enter "config mem" or "Copy startup-config mem";
B. Enter "Write";
C. Input "config term" and enter "Enable secret〈password〉" and "Enable
check whether the Break Key is correct or whether it is set to disable.
5. enter o/r0x42 or o/r0x41 at the prompt. o/r0x42 means to boot from Flash memory, and o/r0x41 means to boot from ROMs (note that the first character is the letter o, it is not a number 0 ). It is best to use 0x42. If Flash memory is not installed or erase, 0x41 is used. If 0x41 is available, only view or erase configuration is allowed. You cannot change the
The company's GPS patrol system needs to go WVPDN to communicate, but before looking for a telecommunications took a CISCO2811, collapsed once, the 2811 is the telecommunications sent, the estimated quality is not how, and then to find the company to buy the same type of equipment, 2811 discontinued, on the Cisco 2911.Yesterday arrived Ah, excited a bit, super terminal connected on, looked at the system configuration, the result of the hand is cheap, no chan
we are using Console connect the router and the computer, start the router and use the Putty connect to the router's console ( Console ), it is recommended that you first configure the hostname of the router ( hostname ) To facilitate identification, configure the privileged mode ( Enable ) Password and vty ( telnet )
;
6. Type "Enable" (no password, press Enter );
7. Change the password (whether encrypted or not ):
A. Enter "config mem" or "copy startup-config mem ";
B. Enter "write ";
C. Enter "config term" and "enable secret
8. Remove the user prompt and password:
A. Enter the virtual line configuration mode and enter "line vty
Tags: erase cmd terminal copy Cisco forgot password direct out settingLab tasks:1. Configure the password in Cisco mode routing2. How to reset the password after forgetting the passwordExperimental steps:1. Give Router a password:Router >enable#config TRouter (config) #line vty 0 4//Incoming Remote management interface
now the network is so developed, many people have used the router. In order to prevent others to steal their own network, the general will set the password on the router, as long as you can prevent others to steal the network. Long time no landing router inside, and forgot the rout
and enter the rom status.
2) If the Break key has been blocked, you can use the cycle Boot Method to enter the rom status. The method is: after the vro is started, the power supply is turned off and the instance is restarted after 5 seconds, generally, it enters the rom status. This method applies to vrouters such as 7500 and 12000.
3) set the baud rate of the Super Terminal to 1200, data bit 8, parity bit 1, stop bit none. Turn on the router power,
Tag: Register BRE router exists reload conf device star RAMClear the password for the Cisco 1841 router:(1) The console line connects the computer and the router console port, through the terminal client connection, the router is powered on (if the device is started, press t
, and the system displays" Router> ".
5. run the following command: "Router> enable" to enter the Super User status (the system no longer requires you to enter the super password); "Router # show startup-config" to display the configuration parameters, note that you can use the enable serect "changepassword" command to
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