[Faccus] Internet issues related to 512K

Bruce Campbell bruce at uwaterloo.ca
Tue Aug 26 12:26:21 EDT 2014

Thanks Heather.

I'd like to also thank the IST networks staff who quickly identified the cause of the issue (issues in an ISP in the United States) on August 12 and announcing it etc.

And just to clarify (it is in the url below, but not the text of the e-mail),  UW network equipment is not affected by the 512K issue.

Bruce Campbell
Director, Technology Integrated Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323 or x48323
University of Waterloo, Waterloo, ON

From: ctsc-bounces at lists.uwaterloo.ca [mailto:ctsc-bounces at lists.uwaterloo.ca] On Behalf Of Heather Wey
Sent: Tuesday, August 19, 2014 3:43 PM
To: isthd at lists.uwaterloo.ca; ist-staff at lists.uwaterloo.ca; admin-support at lists.uwaterloo.ca; 'faccus at lists.uwaterloo.ca'; uwweb at mailman.uwaterloo.ca; ctsc at lists.uwaterloo.ca; ucist at lists.uwaterloo.ca; Kirsty Budd; Aaron Miller; Daily Bulletin
Subject: [CTSC] Internet issues related to 512K

On August 12 internet users worldwide reported outages and slow response times. Subsequent analysis indicates the root cause was the presence of network equipment with a limit to the number of routes or paths that they could store to route traffic (the limit is 512,000 or 512K).

For more information about this issue including how UW and others are responding see: https://uwaterloo.ca/ist/news/internet-issues-related-512k.

IST will notify the university community when we detect issues related to this in the future.

Questions/concerns? Please contact the IST Service Desk (CHIP), helpdesk at uwaterloo.ca<mailto:helpdesk at uwaterloo.ca> or ext 84357.

Recipients of this message: isthd; ist-staff; admin-support; faccus; uwweb; ctsc; ucist; SSO, MSC; Daily Bulletin

Heather Wey
IST Communications
University of Waterloo
519-888-4567 x35878
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