configure username and password on cisco router

When a Cisco router forgets or loses the enable password, there are two methods to restore it, depending on the series of products you are using.Method 1Steps:1. Connect a terminal or a PC with simulation terminal software installed on the console port of the router.The default register value is 0x2102. The value ranges from the third digit to the left. If it is

Preparation: A computer runs the terminal Simulation Program (Super Terminal can be started in Windows 95/98), and the microcomputer serial port (COM1/COM2) is connected to the Console port through the configuration line randomly assigned by Cisco.Recovery steps:(1) Start the instance, press Ctrl + Break until the prompt appears.(2) enter the command "> o/r 0x142 ".(3) initialize the vro: "> I ".(4) Restart. The screen displays the system configuration dialog: "system ready aiton to get started?

During router restart, press Ctrl+break to interrupt iOS load (within 60 seconds) to enter ROM monitor mode, modify the value of the configuration register (0x2142: Do not load the boot profile; 0x2102: Load boot profile) Rommom >confreg 0x2142rommom>reset (restart) Restart the router to manually load the configuration file router#copy startup-config running-conf

Show Running-config SH RunShow Startup-config sh star//view configuration File//Copy running-config startup-config//Save config file//Erase nvram//delete config file//----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Password settings for routers and switchesConfigure the console passwordIn the global modeLi

1, terminal configuration software (HyperTerminal or SECURECRT, etc.) parameters are configured as follows: Rate: 9600bps Check digit: None Data bits: 8 Stop bit: 1 Flow control: None 2, restart the router, in the process of restarting press the Ctrl+fn+break key, the desktop press the Ctrl+break key. 3, the router in the start-up process, into the Rommon state. 4, modify register value, input comma

1. The parameters of the terminal configuration software (such as super terminal or secureCRT) are as follows: Speed: 9600bps Check bit: None Data bit: 8 Stop bit: 1 Traffic control: None 2. Restart the vro. Press Ctrl + Fn + Break during the restart process, and press Ctrl + Break on the desktop. 3. the router enters the rommon status during startup. 4. Modify the register value. Enter the command confreg 0x2142 or o/r 0x2142. You can also us