Affected Components: SysEleven Stack APIs and network gateways in region DUS2

Scheduled Start: 12 Nov 2025, 22:00 CET

Scheduled End: 13 Nov 2025, 01:00 CET

State: SCHEDULED

Description:

We will perform maintenance on the cloud APIs and networking gateways.

Customer Impact during the Maintenance:

• Several short interruptions of external network connectivity up to 10 seconds each
• VPN connections could be interrupted for up to 10 seconds
• SysEleven Stack APIs could be unavailable for up to 10 seconds

Customer Actions:

• no customer actions needed
• please inform us if you notice any irregularities

Affected Components: SysEleven DDos Guard, all regions

Scheduled Start: 2025-11-18 23:00 UTC+01:00 (CET) Scheduled End: **2025-11-18 23:30 UTC+01:00 (CET) **

State: SCHEDULED

Description:

• Scheduled maintenance of our DDoS Guard appliance

Customer Impact during the Maintenance:

• During maintainance IPv6 prefix traffic will not be scrubbed
• network availability will not be affected

Customer Actions:

• No customer actions needed
• Please inform us if you notice any irregularities