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Cisco CCNP / BSCI Exam Tutorial: Filtering BGP Updates With Prefix Lists

A significant portion of the BSCI and CCNP Examination accomplishment is mastering BGP, and that includes filtering BGP routing updates. With this tutorial, we’ll Look into the best way to filter BGP updates with prefix lists.

R4 is advertising and marketing 3 networks through BGP. The downstream router R3 sees these routes and destinations them into its BGP table as demonstrated below. R3 has two…