The Quick Definition: Route redistribution is a process that allows a network to use a routing protocol to dynamically route traffic based on information learned from a different routing protocol. Route redistribution helps increase accessibility within networks.
What is Routing?
Routing consists of more than sending packets from one network location to another. The routing process also includes learning routes and determining the most efficient ways to handle network traffic.
Routers are configured in several ways that enable them to learn a route. The simplest method is to manually configure static routes. A static route tells the router exactly where to send packets. For example, a static route tells Router 1 to route packets to Router 2, and then Router 2 is manually configured to send packets to Router 3.
The issue with static routes is that many routes change configurations — and the patch from one router to another often changes as a network grows. You can have thousands of different routes, and if one changes, you could be left manually configuring several routers. This can be a time-consuming process, especially when it comes to larger networks.
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