This module is the crown jewel. Jeremy walks through each BGP attribute: Well-known mandatory (AS-Path, Next-Hop, Origin), Well-known discretionary (Local Preference), and Optional transitive (Community, MED).
Jeremy used the analogy of a rumor in a high school. He would draw three routers in a triangle, explaining that if Router A tells Router B a secret, Router B is not allowed to tell Router C unless there is a direct connection (full mesh) or a route reflector. He then dedicated a full 45-minute lab to configuring a —solving the problem with dramatic flair. CBT Nuggets - Cisco CCIP BGP 642-661 By Jeremy Cioara