192.168.l.l is the IP address frequently used by wireless router or ADSL modem as a default.TP-Link routers are the ones most frequently configured with 192.168.1.1 as a default address.D-Link and Netgear routers typically use 192.168.0.1. Some US Robotics routers use 192.168.l.254 or 192.168.123.254, and some Belkin and SMC routers use 192.168.2.1. No matter the brand of router, its default internal IP address is listed in the manufacturer's documentation.
When you log in to the electronic network the ip address 192.168.1.1 on your router as you have reached the full authority.When you enter the administration panel of your wireless router or modem, you can do some basic settings, DNS, PROXY, network management, WLAN (WiFi), LAN, WAN Protocol settings, Virtual routing, IP Qos, NAT virtual server, DMZ, a variety of security options, DHCP client, WPS, DSL, ADSL, MAC are all adjustments to the blocking and other changes.
Logging in to 192.168.1.1 is a matter of typing in your username, password. To configure your router you need to type http://192.168.1.1/ into address bar of your browser. You should see a page with router details which will ask you for username and password.
Sometimes we may encounter a failure problem: the browser can't get access to the router successfully.First step is to ping 192.168.1.1. To do this, we need to hit 'START' menu(if your computer system is Windows), then hit 'Run' menu, type 'CMD', this will popup a command window, then type 'ping 192.168.1.1' in the window, watch the result. If it shows 'Reply from 192.168.1.1', it means your network is OK, if it shows 'request time out', it means you cann’t connect to your wireless router.
Particularly if you are using a computer that is not yours you have to make sure that you securely log out of 192.168.1.1 after you are done setting your wireless router. This is important to make sure that the next person using this computer is not able to access your router account. Signing out of 192.168.1.1 is quite easy,close the browser.