: Understanding how BGP functions as the core routing protocol for the internet. Current Status and "New" Versions Certification Retirement
He doesn’t just teach you to pass the test; he teaches you to be a network engineer. cbt nuggets cisco ccip bgp 642661 by jeremy cioara new
What set Cioara apart was his ability to demystify complex topics using analogies, whiteboarding, and real-world scenarios. In the BGP 642-661 course, he famously compared BGP attributes to choosing a restaurant based on distance, cost, and reputation—making “weight,” “local preference,” and “AS path length” instantly relatable. His energy kept learners engaged through dry but critical topics like BGP synchronization and route dampening. : Understanding how BGP functions as the core
| Legacy Concept (642-661) | Modern Equivalent | Pedagogical Insight | |--------------------------|-------------------|----------------------| | BGP Weight | BGP Weight (still Cisco) | Local decision first | | Route Reflectors | BGP in EVPN/VXLAN | Reduce IBGP mesh | | AS-path filtering | BGP Flowspec / RPKI | Policy before prefix | In the BGP 642-661 course, he famously compared
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: Practical steps like registering with the American Registry for Internet Numbers (ARIN) to obtain AS numbers and IP blocks.