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For RU wide service interruption see meldingen.ru.nl.
Every half year we do clusternode maintenance, with at least a package ugprade and a reboot, but sometimes other maintenance can happen, such as changes in filesystems or network configurations. The upcoming date for this maintenance is February 6th, 2026 (Friday)
Monday evening March 6, there will be maintenance on RU network equipment. On March 7 between ca. 01:00-01:30 no network traffic will be possible at the Faculty of Science on the wired and wireless networks. From 23:00 until March 7 02:00 there will be a period where no traffic between RU and Internet is possible. Please think which processes depend on network connectivity and prepare for this outage if necessary. ...
The Radius service didn’t start after the regular reboot, restarting the Radius service solved the problem.
Update of Strongswan server software with extra capabilities
Monday morning several employees of FNWI were affected by a fault within the RU Exchange design whereby they could not send their mail to recipients outside of the RU Exchange (i.e. @science.ru.nl, @cs.ru.nl or elsewhere). ISC had added two additional servers to the RU Exchange service the week before, which were not yet allowed to drop their outgoing mail on designated servers for that purpose. Not all FNWI employees using RU Exchange were affected, however, since four out of six servers were still functioning properly and employees using e.g. Thunderbird use servers outside of the RU Exchange for sending their mails. ...
The central network switch in the serverroom at the Faculty of Science will be restarted in connection with an software upgrade. Many servers and services are not available for approx 20 minutes.
In Huygens wing 8 a network switchmodule crashed. Several users lost their connection to the data and telephone network for some time. The switchmodule has been replaced.
The new RU Fortigate firewall, that is in place since December 13, manages fragmented IP packets inconsistently. Depending on the VPN client and its settings, this can cause problems for VPN users. The ISC found a solution for the cenral RU VPN in changing the configuration of the RU VPN as of 2016-12-19 15:50 hours. While waiting for the final solution, a temporary workaround has been used in the Fortigate firewall on April 19, which makes the problem disappear. ...
In Huygens wing 5 a network switchmodule crashed. Several users lost their connection to the data and telephone network for some time. The switchmodule has been replaced.
Due to maintenance of the indoor cellphone equipment, this equipment will be out of service for one hour max on Monday December 5th.
The printer has to be repaired. Spare parts have been ordered. We hope to have the printer operational again this month.