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Routing TCP/IP, Volume I (CCIE Professional Development) by Jeff Doyle

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Configuring Route Maps

Like access lists (see Appendix B,“Tutorial: Access Lists”), route maps by themselves affect nothing; they must be “called” by some command. The command will be either a policy routing command or a redistribution command. Policy routing will send packets to the route map, whereas redistribution will send routes to the route map. The case studies in this section demonstrate the use of route maps for both redistribution and policy routing.

Route maps are identified by a name. For example, the following route map is named Hagar:

route-map Hagar permit 10 match ip address 110 set metric 100

Each route map statement has a “permit” or “deny” action and a sequence number. This route map shows a permit action and a sequence number ...

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