Category Archives: network

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

Posted on April 12, 2012 by Casey Carvalho

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 →

Posted in Internet, network, RMail | Comments Off on UPDATE: DNS problem affecting e-mail delivery to Ryerson – Thursday, April 12 2012

TRS and YDI building network and IP phone outage: Monday, Jan. 23 14:35 pm – 14:45 pm

Posted on January 23, 2012 by Casey Carvalho

A hardware CPU failure in one of the TRS routers was experienced today, at approximately 14:35 PM. The outage lasted approximately 10 minutes, while services failed over to a backup CPU. The service outage affected the TRS and YDI buildings, … Continue reading →

Posted in All Categories, network, phones, wireless | Tagged , , | Comments Off on TRS and YDI building network and IP phone outage: Monday, Jan. 23 14:35 pm – 14:45 pm

Intermittent access issue for MAC OSX 10.7.2 (Lion) users

Posted on January 10, 2012 by Branka Halilovic

A small number of Mac users have expressed some intermittent issues while connecting to the Wireless RU-Secure and RYERSON networks, as well as the Wired captive portal network on campus. The symptoms are showing as declined connection and/or not being … Continue reading →

Posted in All Categories, network, wireless | Tagged , | Comments Off on Intermittent access issue for MAC OSX 10.7.2 (Lion) users

Interruption of DHCP Services – 2:40pm, Tuesday, Dec.13, 2011

Posted on December 13, 2011 by kwoo

At approx 2:40 pm the DHCP controllers stopped issuing new IP addresses.  As a result, users were prevented from accessing the network. Users already logged on to the network were not affected. DHCP services were restarted. The interruption is currently … Continue reading →

Posted in All Categories, network | Tagged | Comments Off on Interruption of DHCP Services – 2:40pm, Tuesday, Dec.13, 2011

Loss of Network Access in CCS area- Nov. 25, 2011 between 8:47 a.m. – 8:50 a.m.

Posted on November 25, 2011 by Branka Halilovic

A CPU in one of the network distribution switches servicing the CCS area failed-over to the backup CPU at 8:47 AM causing loss of network access for 2 to 3 minutes until the backup CPU took over. We apologize for the service … Continue reading →

Posted in All Categories, network | Tagged | Comments Off on Loss of Network Access in CCS area- Nov. 25, 2011 between 8:47 a.m. – 8:50 a.m.

1 Dundas, 16th floor, Network and Phone Outage

Posted on October 30, 2011 by Brian Lesser

The network and phone system on the 16th floor of 1 Dundas are offline after a power outage that ended at 5 AM. The problem appears to be with an uninterruptible power supply (UPS)  that did not come back online after … Continue reading →

Posted in All Categories, network, phones | Tagged , | Comments Off on 1 Dundas, 16th floor, Network and Phone Outage

Network Interruption to Wall Outlets – 8:00 am, September 21, 2011

Posted on September 21, 2011 by kwoo

From 8 a.m. to 10:15 a.m., connectivity to the network at some wall outlets in lecture halls, meeting rooms, some offices, and the Digital Media Zone was interrupted. This also impacted the spare podium outlets in classrooms that are used … Continue reading →

Posted in All Categories, network | Comments Off on Network Interruption to Wall Outlets – 8:00 am, September 21, 2011

Interruption to Outlets in Lecture Halls, Meeting Rooms, DMZ and Offices Locations

Posted on September 19, 2011 by kwoo

Connectivity to the network at some wall outlets in Lecture Halls, Meeting Rooms, some offices, and the Digital Media Zone was interrupted at around 11:04 am today. A work around has been put in place to restore the service while … Continue reading →

Posted in All Categories, network | Comments Off on Interruption to Outlets in Lecture Halls, Meeting Rooms, DMZ and Offices Locations

Network Service Interruption in POD building (1st floor): Aug. 31, 2011 09:37 AM – 09:42 AM

Posted on August 31, 2011 by kwoo

At 9:37 am an outage was caused by an attempt to prevent a re-occurrence of yesterday’s outage. Service was restored at 9:42 am.

Posted in All Categories, network | Comments Off on Network Service Interruption in POD building (1st floor): Aug. 31, 2011 09:37 AM – 09:42 AM

Network Interruption to YDI and TRS – 12:30 pm, August 24, 2011

Posted on August 24, 2011 by kwoo

At 12:30 pm, some users in TRS and YDI experienced a 10 minute interruption in their network service. Continue reading →

Posted in All Categories, network | Comments Off on Network Interruption to YDI and TRS – 12:30 pm, August 24, 2011