Author Archives: michael

Network outage on Thursday November 25, 2021 at 9:50 AM

On Thursday November 25, 2021 at 9:50 AM CCS received alerts about failure to connect to Internet resources. The CCS network and IT-security teams are investigating the issue. Update: 10:15 AM Outage traced back to external Internet servers responsible for … Continue reading

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Network outage at the library on Friday November 19, 2021 at 4:00AM

On Friday November 19, 2021 at 4:00 AM CCS noticed that the network switch servicing the library has failed. Staff will be on-site to replace the defective equipment. Update at 8:00 PM The network switches have been replaced and services … Continue reading

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WiFi outage for Android devices on September 15, 2021

On Wednesday September 15, 2021, CCS noticed that some Android phones are unable to connect to the WiFi network. The issue was reported to the vendor for a resolution. Update: September 17, 2021 aa:30 AM Authentication issues for Android devices … Continue reading

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CAS authentication time-out on Friday, September 3, 2021

On Friday, September 3, 2021 some users may get “Gateway timeout” upon logging in through CAS. Affected users will have to retry logging in. CCS team is working to resolve this issue Update: at 14:35 A fix was implemented to … Continue reading

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Jabber outage on Saturday April 24, 2021

On Saturday April 24, 2021, CCS noticed that Jabber phone sessions are disconnecting. The issue was reported to the vendor for a resolution. Update: At 2:30 PM the vendor was able to fix the issue and services resumed We apologize … Continue reading

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RU-VPN Access issues on Thursday March 25, 2021

On Thursday March 25, some RU-VPN users were unable to access Ryerson resources. The vendor has since provided a hot-fix to resolve the issue. Users will get the hot-fix automatically deployed the next time they login through RU-VPN. We apologize … Continue reading

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Expected Internet interruption on Feb 21, 2021

One of Ryerson’s Internet Service Providers (ISP) will perform a network upgrade on February 21, 2021 between 12:01 AM and 4:00 AM. During that time Ryerson’s Internet traffic will flow through a backup ISP link. However, existing connections during this … Continue reading

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Traffic to Google dropped on February 17, 2021

On Wednesday February 17, 2021 at 10:20 AM, traffic to Google (Gmail, Drive, Search) was dropped for on campus and VPN users, due to false positive threat information. The issue was fixed at 12:15 and traffic to Google resumed normally. … Continue reading

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Network outage on Friday Feb. 5, 2021 from 7:55 AM to 10:15 AM

On Friday February 5, 2021 at 7:55 AM, a border router was misconfigured. The change prevented departments’ subnets that use private IP addresses from accessing the Internet. The primary impact was that desktop computers on those networks could not reach … Continue reading

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Intermittent Jabber disconnects on November 24, 2020

On Tuesday November 24, 2020, CCS noticed that some Jabber phone sessions are randomly disconnecting. The issue was reported to the vendor. A software patch has to be applied to resolve a software bug late this evening. Update 1: A … Continue reading

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