A route list is a collection of destination prefixes. When specifying a prefix, you can specify an exact match with a particular route or a less precise match. You can configure either a common action that applies to the entire list or an action associated with each prefix.
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Note: Because the configuration of route lists includes setting up prefixes and prefix lengths, we strongly recommend that you have a thorough understanding of IP addressing, including supernetting, before proceeding with the configuration. It is also important to understand how a route list is evaluated, particularly if the route list includes multiple route-filter options in a from statement. We strongly recommend that you read How a Route List Is Evaluated before proceeding with the configuration. Not fully understanding the evaluation process could result in faulty configuration and unexpected results. |
This section discusses the following topics: