IP Routing

Routing is the discipline that has let us build truly large networks. The RIP and IGRP routing techniques you need to know at the CCNA level are appropriate for small enterprise networks.

There is no single thing called "routing." Instead, there are two closely related functions, path determination and packet forwarding. If you think of a packet taking an automobile journey, path determination is the preparation for travel. Packet forwarding is the actual drive.

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