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Learn about BGP Stuck Routes (BGP Zombies) and advanced detection methods in this 26-minute conference talk from NANOG. Explore how routing loops, blackholing, and persistent reachability issues continue to impact networks globally, with BGP Stuck Routes serving as a major contributing factor to these operational problems. Discover the enhanced BGP Clock detection method and the automated Stuck Route Observatory tool that enables network operators to quickly determine within seconds whether Autonomous Systems are affected by or causing stuck route issues. Gain insights into how these routes unexpectedly persist in the global routing table long after withdrawal, creating cascading operational challenges. Understand the research methodology behind identifying these problematic routes and the practical tools developed to help network operators detect and remediate these issues efficiently. The presentation builds upon previous research to provide actionable solutions for network engineers dealing with BGP routing anomalies and persistent connectivity problems.
