IPv6: Route Control - Route Maps
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This chapter covers the following subjects: Basic Uses of Route Maps Configuring Route Maps Route maps are similar to access lists; they both have criteria for matching the details of certain packets and an action of permitting or denying those packets. Unlike access lists, though, route maps can add to each "match" criterion a "set" criterion that actually changes the packet in a specified manner, or changes route information in a specified manner. Route maps also allow you more options for matching a given packet. Altogether, route maps are a powerful tool for creating customized routing policies in your network.