Sunday, November 22, 2009

LAN and WAN routers

Router has a good interface for LAN or WAN. WAN technologies always use a router. WAN router uses to communicate with others. Router is a backbone equipment from large-scale intranet or the Internet. Routers operate at OSI layer 3, made decisions based on network address. Two main functions of the router is to select the best path and the switching of data packets to the destination inetrface. To perform its func

tion, the router always formed roueing table and exchange information on networks with other routers.
Administrators can configure static routing to maintain routing tables. Melaukan basically maintained the preferred routing tables dynamically in the exchange of information about the network with other routers.

For example, if computer X to computer communication with computers Y and Z. As illustrated in the figure 1.6, it requires routing information. Many paths can be taken to reach the computer Y and Z, the router will choose the best path.

Internetwork configuration requires the right things as follows:
- Address end-to-end must be consistent
- Address used in the network topology
- Selection of the best lines
- Dimanis or static routing
- The process of switching











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