| Change Control Event | Replace 4 existing 2960S switch stacks with 2 new Arista Switches on Weinberg 3 North (AB side). | Change Control Event | Replace 4 existing 2960S switch stacks with 2 new Arista Switches on Weinberg 3 North (AB side).CHG0079984 – Replace 4 existing 2960S switch stacks with 2 new Arista Switches on Weinberg 3 North (AB side).