We isolated the Atlanta router and shut down our backbone, routing traffic across transit providers instead. There was some congestion that caused slow performance on some links as the logging caught up. Everything is restored now and we're looking into the root cause. 2/2
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Do downstream systems cache these routes? Are those bustable?
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Yes, yes. :/
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You switch one router off and half the internet goes poof


You hold the world in your hands that's for sure!Thanks. Twitter will use this to make your timeline better. UndoUndo
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Dude, the number of PoPs impacted by this was enormous. Half the internet went down. How am I supposed to trust that this won't happen again? Does Secondary DNS resolve anything? My customers rely on weather data to _literally not die in the face of severe weather_
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Sorry, do you mean you used a secondary or didn't? Thanks
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Made my day
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How can a router in Atlanta freeze half of internet ? WTF ? After this incident, please pause and ask yourself if what you are doing is actually good for the internet ?
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I'd suggest learning about BGP to understand how a "single router" can cause havoc across large parts of the internet (this happens daily, just less common in the States and Europe)https://en.wikipedia.org/wiki/Border_Gateway_Protocol …
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