Route leak incident on January 22, 2026

What this post added

This post details a specific incident of a BGP route leak caused by an automated routing policy configuration error in the Miami data center. It explains the technical cause of the leak (a permissive policy matching 'internal' route types and advertising them externally), the impact (25 minutes of congestion, elevated loss, higher latency, discarded traffic), and the timeline of detection and resolution. It also provides technical details on BGP route leak definitions and analysis using tools like monocle and RIPE BGPlay.