Restoring the default configuration of a Cisco 3900 series router is crucial for troubleshooting and reconfiguring the device. This guide provides a simple, step-by-step process to reset your router to its factory settings.
- Connect the Cisco console cable in the device console port to get the CLI command to promote
- Login to the laptop through Putty
- Select the com port number or SSH IP telnet
- The baud rate is 9600 speeds for the serial line
telnet router name or address
Login: login id default username is (cisco)
Password: ********* (cisco or cisco@123)
Go into enable mode
Router> enable
Router# show running-config (to view the initial configuration)
Type into the below command to enter into configuration mode
Router# configure terminal
Router(config)#
Router(config)# hostname Router
Router(config)# Enable secret IP domain IP adders
After configuring the domain IP configuration
Router(config-if) # no shutdown (Run these command lines to save the given configuration)
How to check the health status of the router
Below are the commands to execute
- Show hardware
- Show version
- Show terminal
