Netgear RP114 User Manual download pdf (Page 136)

Reference Guide for the Model RP114 Web Safe Router

B-2 Network and Routing Basics

Routers vary in performance and scale, number of routing protocols supported, and types of

physical WAN connection they support. The Model RP114 Web Safe Router is a small office

router that routes the IP protocol over a single-user broadband connection.

Routing Information Protocol

One of the protocols used by a router to build and maintain a picture of the network is the Routing

Information Protocol (RIP). Using RIP, routers periodically update one another and check for

changes to add to the routing table.

The Model RP114 router supports both the older RIP-1 and the newer RIP-2 protocols. Among

other improvements, RIP-2 supports subnet and multicast protocols. RIP is not required for most

home applications.

IP Addresses and the Internet

Because TCP/IP networks are interconnected across the world, every machine on the Internet must

have a unique address to make sure that transmitted data reaches the correct destination. Blocks of

addresses are assigned to organizations by the Internet Assigned Numbers Authority (IANA).

Individual users and small organizations may obtain their addresses either from the IANA or from

an Internet service provider (ISP). You can contact IANA at www.iana.org.

The Internet Protocol (IP) uses a 32-bit address structure. The address is usually written in dot

notation (also called dotted-decimal notation), in which each group of eight bits is written in

decimal form, separated by decimal points.

For example, the following binary address:

11000011 00100010 00001100 00000111

is normally written as:

195.34.12.7

The latter version is easier to remember and easier to enter into your computer.

In addition, the 32 bits of the address are subdivided into two parts. The first part of the address

identifies the network, and the second part identifies the host node or station on the network. The

dividing point may vary depending on the address range and the application.

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Netgear RP114 User Manual Page 136