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After yesterday's meeting discussion about the 100G card replacement on the MICE core switch, I now have a tracking number for a new 100G card from Arista. Based on needing 7 days of major maintenance notice, and a request to complete before MLK day it looks like Friday 1/18/2019 at 2PM CST will be the best time to complete the maintenance. The new card requires a switch OS upgrade. Based on an Arista recommendation, I will be upgrading to 4.20.11M prior to the card replacement. This will cause a total traffic disruption on the MICE core switch. Prior to the maintenance I will be blocking BGP on all ports of the core switch to allow traffic to gracefully reroute. If you choose to shutdown BGP on your own prior to the maintenance, please leave your interface enabled so that link can be verified after the maintenance completes. Jeremy Lumby Minnesota VoIP 9217 17th Ave S Suite 216 Bloomington, MN 55425 Main: 612-355-7740 x211 Direct: 612-392-6814 EFax: 952-873-7425 [log in to unmask]