RouterX (config)# -–> Returns to the simple configuration mode. Router(config)# the configuration has been saved and by using the exit command we step out from the loopback interface. #4) The understanding will become better with the help of the following. Login: Router1 (specify login id, here login id is Router1) #3) By using telnet, we can login into the router with the username and password from the remote end system. #2) For performing configuration on the router from the remote end using the console port we need to enable the configure terminal mode. #1) Now we need to configure the router with some basic parameters like enabling hostname, password and enabling the terminal for configuration. In the above default configuration details, we can see that all the interfaces are down and there are no IP addresses and not any route are allocated to any port or interface of the router. Here, I have given an example of a few of the important lines shown by the router, when we enter the show running-config command into the router with the help of two screenshots. The show running-config command is used to see the starting configuration of the router. Whenever we boot our Router first, there is always some default configuration that exists into it. Home Router Configuration Vs Company Set-up Routers.Configuration of Gigabit Ethernet Interfaces.