Scenario1
With Arista 720DP (4x10G uplinks): max 3x48 ports per 2 uplink fiber pairs
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With Arista 720XP-48Y6 (6x25G uplinks): max 5x48 ports per 2 uplink fibers pairs
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Scenario2
With Arista 720XP-96ZC2 (2x100G + 4x25G uplinks): max 10x96 ports per 2 uplink fibers pairs
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Using 100G → 25G breakout cables
Scenario3
Using 5G ethernet ports for MLAG peer links to free up more "uplinks" to connect more access switches?