Incident Library

Organisation

KT

KT · kt

1 case · 2021

Root cause Configuration change
Component BGP routingInterior routing (IGP)
Contributing factor Excessive blast radiusChange during peak hoursNo configuration testsMissed in review
Symptom Network unreachableService outage

Cases

  1. IL-0539 KT's internet service failed nationwide for about 89 minutes as wrong routes spread from one router in BusanKT · 2021

    Root cause Configuration change