Level(3) will begin Emergency Maintenance Procedures at 12:00am Eastern Time on 7-6-2012. Level(3) routes will be migrated beginning at 11:30pm Eastern Time on 7-5-2012. Date: 07/06/2012 Expected Duration: 10 Minutes Timeframe: 00:00 Eastern Data Center(s): Asheville-NC Event Type: Emergency Maintenance Notification Component(s): Level(3) Peering IPV6 Routing Potential Impact: Critical for Level(3) Dear Valued Customer, Our Network Engineering have been working closely with Level(3) Communications to determine the root cause of the peering issue which was encountered now. To that end Level(3) has determined that light levels on the circuit are too high on their receiving end. They will be installing an attenuator on the circuit at 12:00am Eastern on 7/6/2012. Network Engineering will be migrating all traffic from this network peering session prior to the maintenance at approximately 11:30PM Eastern on 7/5/2012. This should allow all network functionality to continue uninterrupted during Level(3)s maintenance window with the exception of customers using IPV6. IPV6 will not be announced during the installation of the attenuator.

Thursday, July 5, 2012

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