BGP.- Filter Tools Summary
Prefix-lists and filter-lists, both in and out, filter routes and discard those that are not permitted.
Weight setting is applicable only on incoming routes because a router never propagates the weight attribute to its neighbors.
Route-maps can be filters that discard routes but can also be used to modify and set various attributes on both incoming and outgoing routes.

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good diagram.
regards
shivlu jain
Thanks Jain
very good diagram thanks you so much
ciscogeek
Thanks CiscoGeek, looking forward to write something for my unattended blog (lot of work these days)