Introduction Static routing still has an important place, but as a network administrator, you will also want to know about dynamic IP routing, which allows you to take advantage of the capabilities of the router to redirect traffic and make changes without human input. Dynamic routing lets the routers do the work, which is handy in large or complex networks where administrators would be challenged to maintain accurate static routing tables. Routing in general You remember that the router learns the next hop for packets using one of two methods: 1. Static routing: With static routing, you -- as the administrator -- manually enter the routes and tell the router, for each IP network, what next hop that traffic should be delivered to. 2. Dynamic routing: With dynamic routing, you -- as the administrator -- configure a routing protocol on your network interfaces. Your routing protocol learns about other routers automatically. Your router and the other routers exchange routes, and each learns
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