IP Address of a Router

A typical home network router possesses two IP addresses, one for the internal home (LAN) and one for the external Internet (WAN) connection. The internal, LAN-IP address is normally set to a default, private number. Linksys routers, for example, use for their internal IP address. D-Link and Netgear routers typically use Some US Robotics routers use, and some SMC routers use No matter the brand of router, its default internal IP address should be provided in documentation.

The external, WAN-IP address of the router is set when the router connects to the Internet service provider. Another way to identify the public IP addresses of routers, involves executing a ping or “traceroute” command. From inside a home network, the (DOS) command “ping -r 1” will send a message through the home router that will cause its IP address to be displayed.

For example, “ping -r 1 http://www.yahoo.com” should result in a message like the following displayed on the command prompt:

Reply from bytes=32 time=294ms TTL=56

The most common type of local area network is an Ethernet LAN. The smallest home LAN can have exactly two computers; a large LAN can accommodate many thousands of computers. Many LANs are divided into logical groups called subnets.

*Faced up with my local area network difficulty, had to set it up automatically.


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