Category Archives: Internet

Network outage on Friday, February 21, 2014 from 6:15 AM to 7:50 AM

On Friday, February 21, 2014, at 6:15 AM, CCS replaced the existing Internet facing firewall with a newer and much faster firewall. This caused an outage for the incoming and outgoing Internet traffic such as access to email and to … Continue reading

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Bell Network Outage from November 26, 2013 at 11:00 PM to November 27, 2013 6:00 AM

Bell Canada had emergency fibre repair work that started on November 26, 2013 at 11:00 PM and lasted until November 27, 2013 at 6:00 AM. This impacted Bell’s customers in the Toronto area as shown in Bell’s notice below. During … Continue reading

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Network Outage: Thursday, October 10, 2013 4:41 PM – 4:43 PM

During maintenance on a firewall the device stopped passing network traffic for approximately two minutes. People using Ryerson’s wireless to access the Internet and people trying to access services outside their administrative subnets were unable to do so. Traffic is now … Continue reading

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my.ryerson service disruption: Monday, June 3 2013, 5 PM

The CCS Help Desk received reports from a few external users indicating that they are experiencing problems connecting to my.ryerson.ca.  These reports started at 5:05 PM. Access to my.ryerson.ca within Ryerson is working as expected.  A preliminary investigation indicated that … Continue reading

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

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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UPDATE: DNS problem affecting e-mail delivery to Ryerson – Thursday, April 12 2012

The DNS appliance’s vendor recommended some manual changes to be done on both the internal and external DNS servers to force the synchronization of data.  These changes will take an hour or two to be propagated through external DNS servers. … Continue reading

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Intermittent Internet Access – 3:05 pm, August 15, 2011

At around 3:05 pm, access to the Internet became unreliable. Upon investigation, the problem was found to be external to the Ryerson network.  GTANet has been contacted about the problem and reported that it was a BGP connection problem that … Continue reading

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Interrupted Access to Internet

At 12:40 pm today access to the Internet was interrupted due to a network routing configuration error. The problem was fixed and Internet access was back in service within 10 minutes. We apologize for the inconvenience. Computing and Communications Services

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Emergency upgrade to perimeter firewall

The perimeter firewall is scheduled to be upgraded at 6:00 am, Friday, December 17. Continue reading

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Perimeter Firewall Reboot

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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