Core Network: Emergency Software Upgrade from 2026-07-13 20:00 CEST to 2026-07-14 03:00 CEST

Emergency Maintenance Work
The vendor has identified several bugs that led to the connectivity issues back in May and released a new version containing various fixes. After thorough validation, both in a separate test environment and our lab environment, we are confident enough that the issues we were facing during and after the last upgrade have been addressed.
Therefore, we plan to upgrade the firmware of our core network to a new major version in another emergency maintenance window. During this maintenance work you may experience short periods of packet loss (up to 1-2 minutes) or higher RTTs for connections from and towards the Internet. Connections between virtual servers at cloudscale will not be affected by this maintenance work.

Date / Time
From Monday, 2026-07-13, 20:00 CEST until Tuesday, 2026-07-14, 03:00 CEST

Expected Impact
Short periods of packet loss (up to 1-2 minutes) or higher RTTs for Internet-facing connections. Thanks to our redundant setup we do not expect any further impact on already running virtual servers.

We apologize for any inconvenience this may cause and thank you for your understanding.