*Update*

Core network problems have been traced to a particular building. The interface to this building has been shutdown to allow the rest of the network to return to normal performance. ITS will be continuing to work on this building network to identify the root cause.
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Previous Description (2010-03-02 12:48:54):

ITServices is currently investigating:

Unusually high traffic on the core network.

Description of Problem:
Reports of intermittent or no connection to the core network from people in Queen's Centre, School of Kinesiology and Richardson Labs.