News Detail

Software Upgrade on Backbone Switch Router for Atomic and Subatomic Physics Buildings

On Tuesday, January 17th 2023 between 07:30 am and 9:00 am, the software of the building switch router for location Z will be upgraded. The location will encounter a total disruption of network communication for about fifteen minutes.

Update 8:20 am: The upgrade has been completed.

The update contains security, stability and status monitoring improvements; it also enables new functionality that will be necessary for Firewall as a Service.

The upgrade of the building switch routers is, unfortunately, not hitless; the switch routers for the following location will be upgraded in turn:

  • SW-Z-1: buildings ZA  through ZE

The location will be affected by an outage of almost all network communication for approximately fifteen minutes; this includes the wired network, WiFi, TUphone, security cameras, and online access control terminals.

We are committed to keeping the disruptions as short as possible and are grateful for your comprehension.

Your end devices do not need any reconfiguration. Should you suspect a problem on your device following the maintenance works, take care to first check your network settings and possible announcements on TUnet-Status, opens an external URL in a new window and Home. If unsuccessful, please contact the TUNET release agent of your institute, send an email to: or contact us at 58801-42002.