When Route Reflectors Lie: Real-World BGP Divergence and the Habits That Cause It

Let’s stitch everything together about “Intent” vs. “State” and when things diverge (actual drifting) with a concrete story.

We’ll take a failure mode that’s common in large networks, rarely obvious, and deeply annoying to debug:

Half of it sees the world one way, half sees it another. Nobody notices, until customers do.