Category Archives: network

Network outage at 1 Dundas Street (YDI building): Monday, September 26, 2016

On Monday, September 26, 2016, CCS noticed that some network switches in 1 Dundas Street (YDI building) failed to come up after a building power loss. This caused a network outage for the HR department.  Network services team is investigating the … Continue reading

Posted in All Categories, network | Tagged | Comments Off on Network outage at 1 Dundas Street (YDI building): Monday, September 26, 2016

Network outage at SLC building on Wednesday September 21, 2016 at 6:06 AM

On Wednesday September 21, 2016, at 6:06 AM electric power was lost in the SLC  telecommunication closet. This caused a complete outage of both wired and wireless network access.   Campus facilities are investigating the issue. Update: Power restored to the telecom … Continue reading

Posted in All Categories, network, wireless | Tagged , | Comments Off on Network outage at SLC building on Wednesday September 21, 2016 at 6:06 AM

Internet access unavailable in labs and wireless: Friday, July 22, 2016 8:00 AM – 9:13 AM

Update at 9:32 AM – The issue has been resolved and the Internet access in the labs and via wireless is now available. Internet access in labs and via wireless became unavailable following a 6 AM – 8 AM scheduled … Continue reading

Posted in Internet, network, wireless | Tagged , | Comments Off on Internet access unavailable in labs and wireless: Friday, July 22, 2016 8:00 AM – 9:13 AM

Some network routes unreachable from internet: Friday, July 15 2016 9:20AM – 10:45AM

At approximately 9:20 AM on Friday, July 15,  2016 CCS became aware that some systems inside the Ryerson network were not reachable from the internet due to a loss of network routing information on one of Ryerson’s edge network devices.  … Continue reading

Posted in All Categories, network | Tagged | Comments Off on Some network routes unreachable from internet: Friday, July 15 2016 9:20AM – 10:45AM

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

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

Posted in All Categories, network | Comments Off on www.ryerson.ca outage: Monday May 16, 2016 at 12:45

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

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

Posted in All Categories, network | Tagged | Comments Off on Lab outage in LIB-386L on Monday April 4, 2016

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

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

Posted in All Categories, Firewall, network | Tagged , | Comments Off on Network outage Friday March 11, 2016 at 12:15 PM

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

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

Posted in All Categories, network | Tagged | Comments Off on KHW71G computer lab network outage on Monday, February 14, 2016 at 4:05 PM

Internet connectivity disruption: Tuesday Dec. 8, 2015 15:55 PM – 16:05 PM

On Tuesday, Dec. 8 2015, one of Ryerson University’s internet links failed due to a service interruption from the service provider’s side (GTANet), resulting in its internet traffic failing over to another backup link from a secondary service provider (Cogent).   … Continue reading

Posted in Internet, network | Tagged , | Comments Off on Internet connectivity disruption: Tuesday Dec. 8, 2015 15:55 PM – 16:05 PM

Internet interruption on Friday November 27, at 1:27 PM

On Friday, November 27, 2015 at 01:27 PM, one of the network devices that manages the amount of network traffic entering and leaving Ryerson from the Internet restarted on its own. This briefly impacted internet connectivity while the traffic was re-routed through a … Continue reading

Posted in All Categories, network | Tagged | Comments Off on Internet interruption on Friday November 27, at 1:27 PM