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Outage in Simwood

Routing instability via Cogent in Slough

Resolved Minor
June 20, 2025 - Started 10 months ago - Lasted about 21 hours
Official incident page

Incident Report

Customers connecting to our services in Slough over Cogent transit may have seen instability over the last 15 minutes or so. We have temporarily shutdown sessions with Cogent to alleviate any issues. Those on-net or reaching us over peering sessions (which is the majority) and other ultimate transit providers, or reaching other availability zones over Cogent have been unaffected. We strongly encourage all customers to connect into us directly wherever possible.
Components affected
Simwood Slough

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Latest Updates ( sorted recent to last )
RESOLVED 10 months ago - at 06/21/2025 09:43AM

This incident has been resolved.

MONITORING 10 months ago - at 06/20/2025 01:22PM

Cogent have confirmed issues on their network. Our sessions with them remain shut down to prevent impact. We will continue monitoring and will only reintroduce routes for Cogent in Slough once we are confident their network is stable.

INVESTIGATING 10 months ago - at 06/20/2025 12:41PM

Customers connecting to our services in Slough over Cogent transit may have seen instability over the last 15 minutes or so. We have temporarily shutdown sessions with Cogent to alleviate any issues.

Those on-net or reaching us over peering sessions (which is the majority) and other ultimate transit providers, or reaching other availability zones over Cogent have been unaffected.

We strongly encourage all customers to connect into us directly wherever possible.

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