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Juniper Networks® Field Guide and Reference by Juniper Networks®, Cris Morris, Gary Drenan, Aviva Garrett

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Configuring Static, Aggregate, and Generated Routes

The router uses dynamic routes to learn how to reach network destinations. Dynamic routes are determined from the information exchanged by the routing protocols and, as the name implies, the routes might change as network conditions change and these changes are discovered by the routing protocols. You can configure static (nonchanging) routes to some network destinations. The router uses static routes when it does not have a route to a destination that has a better (lower) preference value, when it cannot determine the route to a destination, or when it is forwarding unroutable packets. A static route is installed in the routing table only when the route is active; that is, the list of next-hop ...

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