BGP Upstream flap Västberga DC

At 18:15 we were notifed that BGP sessions towards one of our upstream providers went down.
This caused some network dips for one of our core routers while routes were being rebuilt.

At 18.21 the BGP sessions towards upstream was restored.
We’ve asked upstream to investigat the unannounced loss of session.

19.00 Update: Upstream has replied and said that a high CPU situation on their router caused BGP sessions to ”flap” (disconnect and reconnect). The cpu usage is now stable and BGP sessions too.

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