Linksys Router Configuration Step by Step A router helps you connect the internet to different devices. Such as computers, mobiles and so on to join the same network. Router is typically connected to a modem, in order to provide internet connection to those devices which are connected to the modem and if you have one then follow Linksys router configurations to setup your router properly. Connect power. Connect to modem by cable/wire. Do login. Select a password. Change SSID and password. Keep passwords secure. Deciding to update.