Unannounced maintenance by Lumen affecting AMS

时间线

1. 已解决2026年3月22日 01:14 UTC

   Full redundancy restored at 01:14 UTC. Duration: 27 minutes. No connectivity was lost; we have asked Lumen for the notification that should have preceded this work.

2. 观察中2026年3月22日 01:08 UTC

   Lumen reports the work complete. We have re-enabled the session and are watching it.

3. 已确定原因2026年3月22日 00:56 UTC

   Lumen confirms unannounced maintenance on the aggregation router that terminates our circuit. The flapping will continue until their work finishes; we have shut the session so that traffic stays stable on the other paths.

4. 调查中2026年3月22日 00:52 UTC

   The Lumen uplink in AMS has been flapping since 00:47 UTC. Traffic is on Arelion and AMS-IX. We have opened a ticket with Lumen.