Dynamic Routing

Dynamic routing is the process that makes a router useful in a large internetwork. Dynamic routing uses "routing protocols" in order to find and maintain routing tables, which are a routers' equivalent of an address book. The routing protocols are used by routers to maintain communication and exchange information with their neighbouring routers (peers).

Dynamic routing is much simpler to administer than static routing since it's designed in order to maintain accurate routing information, that is loop free and uses the best paths to each destination network.

The router then decides the best paths to route data based on the administrative distance and routing metric of that path. This process is known as path determination.

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