Maintenance: urgent security updates on the DHCP servers

[sc name=”head_betriebsmeldungen_en” message_id=”202105311736″ time=”1st of June 2021, 7.30 to 8 am” affected=”DHCP-Cluster, entire WLAN/eduroam and University” impact=”1min long no new DHCP leases resp. new network connectivity” ]

 

Due to critical security vulnerabilities our DHCP servers have to be
have to be updated at short notice and outside the maintenance window.
be updated. As the server is a cluster of 2 systems, only a short ‘hiccup’ is
to be expected when switching.