Router types Router types Example Hardware router A device that performs routing as a dedicated function Software router A router that is not dedicated to performing routing only, but performs routing as one of multiple processes running on the router computer

What Are Routing Interfaces? • A routing interface is an interface over which IP packets are forwarded

What Are Routing Protocols? • A routing protocol is a set of messages that routers use to determine the appropriate path to forward data RIP RIP Designed for small to medium-size networks Uses a routing table Easier to configure and manage Does not scale well Designed for small to medium-size networks Uses a routing table Easier to configure and manage Does not scale well OSPF OSPF Designed for large to very large networks Uses a link-state database Complex to configure and manage Operates efficiently in large networks Designed for large to very large networks Uses a link-state database Complex to configure and manage Operates efficiently in large networks

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