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All Services Operational

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Core Network

Operational


Internet Connectivity

Operational


MPLS Connectivity

Operational


Broadband Connectivity

Operational


Mobile Connectivity

Operational


VPN Concentrators

Operational


Customer Endpoints

Operational

Scheduled Maintenance

Planned Maintenance Notification - CR00014288P4 - Planned Maintenance

Schedule

June 9, 2026 23:00 - June 10, 2026 00:30 BST

Components

Mobile Connectivity

Service

Tele2 Mobile Network

Description

<b>Site(s) Affected:</b> LHR17 & LON1 <b>Circuits Affected / Equipment Affected:</b> Tele2 mobile connectivity <b>Detailed Description:</b> CSL’s mobile network operator partner, Tele2, has scheduled maintenance on its IP network infrastructure to resolve a potential redundancy issue and ensure ongoing network stability. <b>Impact And Duration: </b> During this work, approximately 15% of traffic may experience a brief impact, which could result in network signalling retries such as re-registration, session re-establishment, or retransmission of data. In the unlikely event of any issues, the change will be rolled back within 30 minutes to restore normal service. <b>Risk Assessment: </b> Low <b>Implementation Plan:</b> Change will be implemented by Tele2. <b>Testing Procedure:</b> Testing will be carried out by Tele2. CSL will monitor service health throughout the maintenance window. <b>Fallback:</b> Change will be implemented by Tele2.

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Upcoming Maintenances

0

Incidents Last 7 Days

History

Planned Maintenance Notification - CR00014208P4 - Planned Maintenance

Description

<b>Site(s) Affected:</b> LHR17 & LON1 <b>Circuits Affected / Equipment Affected:</b> Tele2 Connectivity <b>Detailed Description:</b> CSL mobile network operator partner, Tele2, has scheduled maintenance to upgrade core network infrastructure. <b>Impact And Duration: </b> Users may experience small packet loss while switching active sessions between primary and secondary nodes. <b>Risk Assessment: </b> Low <b>Implementation Plan:</b> Change by connectivity partner, Tele2 <b>Testing Procedure:</b> Testing will be carried out by Tele2. CSL will monitor service health throughout the maintenance window. <b>Fallback:</b> Change by connectivity partner, Tele2


Components

Mobile Connectivity


Service

Tele2 Mobile Network


Schedule

May 26, 2026 23:00 - May 27, 2026 05:00 BST


May 27, 2026 05:00 BST
UPDATE

Scheduled maintenance is complete.

May 26, 2026 23:00 BST
UPDATE

Scheduled maintenance is starting.