@Vincent-TP I find some interesting Infos. When we change the time server, it doesn't take long before only a certain type of switch fails. All other switches continue to run without any problems....

@Vincent-TP We do not use Google TimeServer and have the same problem.

@GRL I use pool.ntp.org and ptbtime1.ptb-.-de Do you have any other suggestions?

@Vincent-TP I've been having the same problem recently but with a Software Linux Controller. The switches continue to work without any problems and everything else works fine. The switches are simply...

@Vincent-TP Note to self... never try an update if you are not well rested... You're absolutely right of course and with dpkg it went smoothly.

@Vincent-TP With the deb Version i received the following Error: