I'm looking at a design that has 2x MS425-32 stacked together (which takes up both QSFP ports on the MS425's), and is attempting to create a 40G connection upstream to a Catalyst 9500. I understand that breakout cables are NOT supported on the MS425, but I was curious if it would be possible to have a 1x 40G > 4x 10G breakout cable plugged into a 40G QSFP port the C9500, and then perform link aggregation on the MS425.
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