Fri, 28 Aug 2015 22:52:57 +0200
During the Tuesday, September 1st maintenance window, maintenance work affecting a number of services will occur, starting at 5:30 PM and being completed before midnight. The following will occur:
- eduroam Wi-Fi network: the eduroam Wi-Fi network on campus will be migrated to a number of different IP address ranges. This change has become necessary to provide additional network capacity to accommodate growing Wi-Fi use on campus. An outage of up to two hours is expected while the change is completed. Please note that it may be necessary to disable and re-enable Wi-Fi on devices after the maintenance has been completed to restore Wi-Fi access.
- Server software updates: software on the servers which provide the following services will be updated, resulting in outages of up to 15 minutes per server:
- DNS
- DHCP
- NTP
- RT
- Web proxies
- Registration system
- Incoming e-mail
- Outgoing e-mail
- E-mail mailboxes
- Webmail
- Mailing lists
- SMS
- Apple Software Update Server
- Provisioning (web proxy autodiscovery, telephone provisioning)
- Wi-Fi and VPN authentication
- CHERTL Evaluation Assistant
- Network graphs
- Guest network access
- Network monitoring
- Terminal Four content management system
- RU Single Sign-On system
- Main web server (www.ru.ac.za, etc)
- University administration and meal booking systems
- SEALS Library consortium services
- Access switches: software on a number of access switches will be updated, causing a network outage (including Wi-Fi and IP telephones) of up to ten minutes in the following buildings:
- Biological Sciences
- Geography
- Data centre access switches: software on access switches in the university's data centres will be updated, resulting an outage of up to 10 minutes affecting the following services:
- VPN
- DNS
- DHCP
- NTP
- Web proxies
- RT
- Departmental servers hosted in IT racks (excluding CS/IS, JMS and RATT)
This maintenance work is being undertaken in the ITSC-approved scheduled maintenance window.
More information about maintenance windows and maintenance periods.