After completing this chapter, you will be able to:* Know exactly how the network layer moves a segment from the transport layer of an origin host to the transport layer of the destination host. * See that the network layer requires the coordination of each and every host and router in the network. * Learn the network layer protocols which are among the most challenging (and therefore interesting!) in the protocol stack. * Identify a router as a computer with an operating system (OS) and hardware designed for the routing process.
Network Layer Protocols
 
Routing
 
Router configuration
 

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