Author Archives: michael

Network outage on Sunday 11, 2016 from 8:00 to 9:00 AM

Posted on September 12, 2016 by michael

On Sunday September 11, 2016, at 8:00 AM an emergency network maintenance took place. This caused access interruption to and from the Internet.   The maintenance work was completed and services resumed at 9:00 AM. We apologize for any inconvenience. -Computing and … Continue reading →

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Intermittent delayed delivery of some email: Monday, August 8, 2016 8:00 AM

Posted on August 8, 2016 by michael

There are intermittent email delays of up to several hours for some email arriving at Ryerson on August 7 and 8, 2016.   We are investigating the root cause. Update 10:40 AM: The problem appears to have started on Saturday, August 6, at … Continue reading →

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Rocket SSL VPN outage on Wednesday July 20, 2016 at 2:45 PM

Posted on July 20, 2016 by michael

On Wednesday, July 20, 2016 at 2:45 PM, the appliance providing SSL VPN (Rocket) failed and the service has been unavailable since the failure.  VPN access remains available through RU-VPN or RU-VPN2.  The network team is investigating the issue. Please accept our … Continue reading →

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www.ryerson.ca outage: Monday May 16, 2016 at 12:45

Posted on May 16, 2016 by michael

On Monday May 16, 2016 at 12:45 PM, the www.ryerson.ca website became unavailable. CCS administrators are continuing the investigation. Update: Services were resumed at 13:28 PM We apologize for any inconvenience. -Computing and Communications Services

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Internet outage on Friday April 22, 2016 at 1:00 PM

Posted on April 22, 2016 by michael

On Friday April 22, 2016 at around 1:00 PM, many sites on the internet became unreachable due to an internet routing problem at a major internet hub in the United States. The Network engineering team at Ryerson is monitoring the … Continue reading →

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Wired network outage on Friday April 22 from 3:15 AM to 7:45 AM

Posted on April 22, 2016 by michael

On Friday, April 22, 2016 at 3:15 AM, a firewall protecting all the wired academic and administrative subnets failed. This  prevented these subnets from accessing any network resource. IT-Security moved the traffic to a redundant firewall and services were resumed at 7:45 AM … Continue reading →

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Lab outage in LIB-386L on Monday April 4, 2016

Posted on April 4, 2016 by michael

On Monday April 4, 2016 at 2:30AM, the computers in LIB-386L lost their network connectivity. Connectivity was restored at 11:00 AM after adding a second DHCP server. Network Engineering staff are troubleshooting the issue. Please accept our apologies for the problems this outage … Continue reading →

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Network outage Friday March 11, 2016 at 12:15 PM

Posted on March 11, 2016 by michael

On Friday, March 11, 2016 at 12:15 PM, a firewall for the wired networks failed which is preventing access to any network resource. Network staff are troubleshooting the issue. Update: The firewall vendor was able to provide a workaround and services … Continue reading →

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WiFi interruption on Monday February 22, 2016 at 1:36 and 2:36PM

Posted on February 22, 2016 by michael

On Monday, February 22, 2016 at 1:36 PM, a WiFi network controller failed. This forced existing WiFi users to re-authenticate to a backup WiFi controller. Another interruption occurred at 2:36 PM as the original controller came back on line forcing the … Continue reading →

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KHW71G computer lab network outage on Monday, February 14, 2016 at 4:05 PM

Posted on February 16, 2016 by michael

On Monday, February 14, 2016 at 4:05 PM, a network switch serving KHW71G computer lab failed. This prevented the computers in this lab from connecting to the network. Network staff are working to resolve the problem. Update: The defective network switch has been … Continue reading →

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