[NS : AgentNull] DMIT关于9929的公告

LAX.EB:AS9929backboneissue.Highpacketlosswasobserved.LAX.Pro:DuetotheAS9929issue,theinboundwasalsoimpacted.Theoverallqualityreduced.LAX.EB：AS9929骨干网络出现故障，观察到较