I have a pair of QFX5100's configured as MC-LAG peers. I have an MC-LAG going up to an MX5 router - ge-0/0/41 on both QFX5100-A and QFX5100-B connect to MX5.
The problem is I'm seeing drops in my best-effort queue even though I'm pushing less than 500Mbps through the interface. I'm using iperf to generate UDP traffic. When I push more than 100Mbps, I'm seeing thousands of drops on my ge-0/0/41 interfaces (the mc-ae interface is ae8). Here is my QoS configuration: