Latest update from Level 3 *** CASCADED EXTERNAL NOTES 20-Nov-2014 13:58:18 GMT From CASE: 8611542 - Event The IP NOC reports that during non-service affecting work to groom the aggregation router to a different backbone router, intermediate system to intermediate system (ISIS) connectivity was lost. The IP NOC worked to adjust configurations on the aggregation router and ensured traffic was flowing to the desired backbone router. Connectivity is now restored and traffic is routing appropriately. If additional issues are experienced, please contact the Level 3 Technical Service Center at 1-877-4LEVEL3. From: *Network Sent: Thursday, November 20, 2014 7:57 AM To: outages@outages.org Subject: Level 3 outages - Chicago Here is respond from Level 3 "The IP NOC continues to investigate the routing issues for multiple customer after configuration changes to routing protocols on a device restored services for some. Troubleshooting is ongoing with no ETTR available." What the next step is: I am associating this ticket to the parent event for the outage. Timeline for next step: You will receive further updates from our event team as they are available. Please contact me if you have any questions.