When this happens to me, it is almost always a misconfiguration on the server side. The switch is setup as an access port and the Server is setup as a Trunk port.Have your server admin make sure their NIC is setup as an access port to match your port...
You don't have your egress queuing setup. You need to map your COS values to a queue, then you can allocate bandwidth to those queue's. This makes lower priority traffic wait while higher priority traffic gets transmitted.I have a few configuration e...