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Access to university systems disrupted Saturday, January 4

Access to several core university systems – including ANGEL, Desire2Learn, and computer lab machines – was disrupted Saturday, January 4, between 7:00 a.m. and 3:30 p.m. The source of the problem was traced to a device that was overloading IT Services’ datacenter network and disrupting traffic to the Shibboleth identity authorization system used by the affected services. Read Full Article →

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IT Services shares details on September network outage

IT Services shared further details with the IT community about the network outage on September 25 at the IT Exchange meeting on October 10.

The September 25 network outage started just before 1:00 p.m. in the Biomedical and Physical Sciences (BPS) building where traffic containing millions of MAC addresses originated.

This traffic at BPS was processed by the Tier 1 network switches using a significant amount of memory. Read Full Article →