Category 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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Network outage – Jorgenson Hall – Thursday May 2, 2013, 2:35PM – 2:50 PM

Posted on May 2, 2013 by Jim Buchanan

Due to a problem within a departmental network, the main network switch in Jorgenson Hall automatically disabled itself  to prevent the problem impacting Ryerson’s core network. This resulted in a network outage for all of Jorgenson Hall, both wireless and wired.  … Continue reading →

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Intermittent Network Disruptions: Saturday, April 20, 4 PM

Posted on April 25, 2013 by Brian Lesser

Due to the gradual degradation in performance of a firewall, the following areas have experienced very brief network interruptions: Admissions Administrative Network Architecture Architecture Administrative Network Arts CCS Civil Engineering DMZ Docutech EPH Academic Network GCM ILC Administrative Network JOR Academic … Continue reading →

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Network Service Disruption in TRS & YDI – Wednesday, April 17 2013 6:54 AM – 7:15 AM

Posted on April 17, 2013 by Casey Carvalho

A network multicast storm in the Ted Rogers School of Management caused a link between TRS and the POD building to go down.   This link outage affected services in YDI and TRS this morning from approximately 6:54 AM – 7:15 … Continue reading →

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Slow network performance for East Side Admin and Academic subnets: Tuesday, Feb. 26 2013 1:00 PM

Posted on February 27, 2013 by Casey Carvalho

Slow network connectivity was reported by various users on the east side of the campus around 1 PM this afternoon.   The performance degradation affected Academic and Administrative subnets.  The cause of the problem was traced to a faulty fiber cable … Continue reading →

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Network outage in Kerr Hall South – Friday, Oct. 12, 2012 7:00 AM – 9:30 AM

Posted on October 12, 2012 by Casey Carvalho

The power to some Communications Risers in the Kerr Hall South east area were unexpectedly disrupted by work carried out on some electric panels.    Due to the power loss, the wired and wireless networks on all 3 floors of the … Continue reading →

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WiFi Problems Accessing the Internet – 3:30 PM October 11, 2012

Posted on October 11, 2012 by Brian Lesser

Many people using RU-Secure are unable to access the Internet. We are investigating the problem and apologize for the inconvenience this problem has caused. Update 5:20 PM: The problem was caused by a software bug that duplicated the firewall rules in … Continue reading →

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General Network Slow Response – July 10, 2012 08:15 AM

Posted on July 10, 2012 by kwoo

At approximately 8:15 am today, CCS started receiving reports of a general slow response when accessing core Ryerson applications as well as the Internet. Preliminary investigation indicates the problem to be with the network core firewall cluster.  CCS IT Security staff are investigating … Continue reading →

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Wireless service disruption: Monday, June 11 2012 08:30 AM

Posted on June 11, 2012 by Casey Carvalho

At approximately 8:30AM on Monday, June 11, we became aware of an intermittent wireless connectivity problem.  Following a preliminary investigation, one of the redundant links connecting to one of the wireless controllers was disabled around 9:00AM to eliminate the intermittent connection … Continue reading →

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415 Yonge St – Network Outage – 2012.06.03 06:45

Posted on June 4, 2012 by kwoo

One of the network distribution switches serving the west side of the campus was rebooted at 6:45 AM to clear up a wireless connectivity issue. Traffic was re-routed to another distribution switch during the 3 minutes of reboot. Because 415 … Continue reading →

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