Tag Archives: network

Network outage – Thursday, May 9, 2013

Posted on May 9, 2013 by michael

Due to a problem with a core network firewall, IT security tried to implement a quick fix.  Unfortunately, that resulted in a network outage for all wired networks on campus.  The connection was reset and network connectivity restored 4 minutes later. … Continue reading →

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TRS and YDI building network and IP phone outage: Monday, Jan. 23 14:35 pm – 14:45 pm

Posted on January 23, 2012 by Casey Carvalho

A hardware CPU failure in one of the TRS routers was experienced today, at approximately 14:35 PM. The outage lasted approximately 10 minutes, while services failed over to a backup CPU. The service outage affected the TRS and YDI buildings, … Continue reading →

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Intermittent access issue for MAC OSX 10.7.2 (Lion) users

Posted on January 10, 2012 by Branka Halilovic

A small number of Mac users have expressed some intermittent issues while connecting to the Wireless RU-Secure and RYERSON networks, as well as the Wired captive portal network on campus. The symptoms are showing as declined connection and/or not being … Continue reading →

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Interruption of DHCP Services – 2:40pm, Tuesday, Dec.13, 2011

Posted on December 13, 2011 by kwoo

At approx 2:40 pm the DHCP controllers stopped issuing new IP addresses.  As a result, users were prevented from accessing the network. Users already logged on to the network were not affected. DHCP services were restarted. The interruption is currently … Continue reading →

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Loss of Network Access in CCS area- Nov. 25, 2011 between 8:47 a.m. – 8:50 a.m.

Posted on November 25, 2011 by Branka Halilovic

A CPU in one of the network distribution switches servicing the CCS area failed-over to the backup CPU at 8:47 AM causing loss of network access for 2 to 3 minutes until the backup CPU took over. We apologize for the service … Continue reading →

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1 Dundas, 16th floor, Network and Phone Outage

Posted on October 30, 2011 by Brian Lesser

The network and phone system on the 16th floor of 1 Dundas are offline after a power outage that ended at 5 AM. The problem appears to be with an uninterruptible power supply (UPS)  that did not come back online after … Continue reading →

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Poor Network Response in TRSM – Feb. 27, 2010

Posted on March 1, 2011 by kwoo

At around 1:00 pm on Sunday, Feb. 27, 2010 wired and wireless users experienced slow network response in TRSM. Continue reading →

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Power Interruption in POD and Jorgenson buildings

Posted on January 14, 2011 by m8cheng

Due to some electrical work being carried out in the POD building, there was a short power interruption around 10:40am in some areas of the POD and Jorgenson buildings that resulted in a brief loss of network connectivity. Continue reading →

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Perimeter Firewall Reboot

Posted on December 8, 2010 by Branka Halilovic

CCS has scheduled a reboot of our Internet gateway firewall to correct problems related to high-bandwidth video streaming over CANet. Continue reading →

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Major System Outage Due to Network Connection Problem in Data Centre

Posted on November 24, 2010 by Branka Halilovic

At around 3:07 PM on Wednesday, Nov. 24, there was a temporary network connection failure on a link between a cluster of load balancers. Continue reading →

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