Core router reload in Amsterdam (AMS1)

Affected:

Network · AMS1, VPS hosts · AMS1

Duration

31 min

Reference

inc-20230829-1

Timeline

1. Resolved29 Aug 2023, 17:37 UTC

   Resolved. The vendor supplied a fix and both routers are back in the active/active configuration. Impact was limited to TCP session resets for a few seconds.

2. Monitoring29 Aug 2023, 17:28 UTC

   The affected router is back and synchronised. We are keeping traffic on the redundant path while we watch for a recurrence.

3. Identified29 Aug 2023, 17:16 UTC

   The reload was triggered by a software bug affecting the route processor. The redundant router is carrying all traffic normally.

4. Investigating29 Aug 2023, 17:06 UTC

   A core router in Amsterdam (AMS1) reloaded unexpectedly. Traffic failed over to the redundant router within seconds; some sessions may have been reset.

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