Why I did it Update ECN settings for T2 chassis How I did it Updated qos config file to load these settings during switch bootup How to verify it Verified on line card on T2 chassis
* Updated Chassis MMU settings for 40G/100G/400G line cards
* Add QOS and buffer profiles for Arista SKU. * Add unit test for SKU Arista-7800R3-48CQM2-C48.