major✓ Resolved

IPv6 Networking Issues in DFW

Fly.io•2026-09-23 06:18 UTC

Status

resolved

Duration

6h 1m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ Resolved2026-09-23 12:20 UTC

This incident has been resolved.

identified2026-09-23 10:52 UTC

We are continuing to work on a fix for this issue.

identified2026-09-23 06:52 UTC

One of the internet transit providers upstream of the affected hosts is performing regional maintenance, which is expected to complete at 10:00AM UTC. IPv6 connectivity to and from destinations using that transit may be impacted during this time window.

investigating2026-09-23 06:18 UTC

We are investigating IPv6 connectivity issues on a subset of hosts in DFW region. Machines on impacted hosts may see inbound/outbound connectivity issues over IPv6. IPv4 connectivity is not impacted.

📊 TECHNICAL DETAILS

Internal ID

fae8e3db-2780-4f7a-9c58-a83b6cd4c05d

External ID

wg27hspc94pr

🕐 Started

2026-09-23 06:18 UTC

🔄 Last Updated

2026-09-23 12:20 UTC

✓ Resolved

2026-09-23 12:20 UTC

MAJOR

Impact Level

6h 1m

Total Duration

Status Updates

Affected Components

DFW - Dallas, Texas (US)

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