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BGP
Day 7 — Inside a BGP UPDATE: Withdrawn Routes, Path Attributes and IPv4 NLRI
Learning objective Decode the logical sections of a base IPv4-unicast BGP UPDATE, explain how IPv4 NLRI represents prefixes, and distinguis...
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BGP
Day 6 — BGP Message Types: OPEN, UPDATE, KEEPALIVE, NOTIFICATION and ROUTE-REFRESH
Learning objective Identify the purpose of each major BGP message, relate messages to the FSM and routing lifecycle, and use counters/captu...
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BGP
Day 5 — BGP Finite-State Machine: States, Transitions and Session Troubleshooting
Learning objective Use the BGP finite-state machine as a troubleshooting model: identify what a current state proves, what it does not prov...
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BGP
Day 4 — BGP Transport Mechanics: TCP/179, Reachability, Update-Source and eBGP Multihop
Learning objective Build and troubleshoot a BGP session whose peer addresses are loopbacks, explaining the separate roles of IP reachabilit...
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