more from doyle...
Policy routing will send packets to the route map, whereas redistribution will send routes to the route map
this is an oft overlooked and vital difference...
and...
The behavior of a “deny” action depends on whether the route map is being used for policy routing or for redistribution. If a route map is being used for redistribution and a route matches a statement with a deny action, the route will not be redistributed. If the route map is being used for policy routing and a packet matches a statement with a deny action, the packet is not policy routed but is passed back to the normal routing process for forwarding
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