A router is a device that sends packets from one network to another network. Routers receive packets, read their headers to find addressing information, and send them on to their correct destination on the network or Internet. Routers can forward packets through an internetwork by maintaining routing information in a database called a routing table. The routing table typically contains the address of all known networks and routing information about that network such as:
1. Interface
2. Routing Path
3. Next Hop
4. Route Metric (Cost)
5. Route Timeout
1. Interface
2. Routing Path
3. Next Hop
4. Route Metric (Cost)
5. Route Timeout
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