Vro password and ios recovery

Vro password and ios Recovery (1) Restore vro password step start the vro. When the console starts, press Ctrl + Break to stop the vro startup process, go to rommon mode rommon 1> confreg 0x2142 // change the value of the configuration register to 0x2142. This will prevent the configuration file in NVRAM from being read when the router is started. Rommon 2> I restart the router and enter setup mode. enter no to exit this mode. enable enters privileged mode, copy command copy the startup-config file in nvram to the running-config file in ram, and then reset the password with enable secret or enable password to reset the vro password, if you need to set another password, you can set R2 (config) together) # config-register 0x2102 reset the register value to the default value 0x2102. Run the copy command on all ports of the vro to copy the running-config file to startup-config in nvram, restart the vro. (2) restore the ios file of the router and copy the required ios file to the c: \ TFTP-Root directory, start the router, and automatically enter the rommon mode. Rommon 2> IP_ADDRESS =? // Your own IP address rommon 3> IP_SUBNET_MASK =? // Your own subnet mask rommon 4> DEFAULT_GATEWAY =? // If you only use a vroftp and tftp for direct connection, you can use the tftp IP address rommon 5> TFTP_SERVER =? // The IP address of the used tftp server rommon 6> TFTP_FILE = ?. Bin // The required ios name. To restore IOS, You need to configure some variable values, such as the IP address and mask of the router. The Gateway is required. Variable names are case sensitive. Rommon 8> tftpdnld // after you recover from tftp to IOS, some data you just set will appear. Check whether the data is correct. If yes, Do you want to continue? Y/n: [n]: y // It may take more than 10 minutes to recover to ios after you reply to y. After receiving the result from tftp to ios, the router will automatically perform the inspection, after inspection, complete rommon 9> I // restart the router