Im trying to get a deeper understanding of the QoS settings on a 6509 port. I pulled the following from a port that the port QoS settings were populated with AutoQoS:
switchport trunk encapsulation dot1q
switchport mode trunk
shutdown
wrr-queue bandwidth 50 255
wrr-queue queue-limit 75 15
wrr-queue random-detect min-threshold 2 70 100
wrr-queue random-detect max-threshold 2 90 100
wrr-queue cos-map 1 2 0
wrr-queue cos-map 2 1 1 2 3 4
wrr-queue cos-map 2 2 6 7
rcv-queue cos-map 1 1 0
rcv-queue cos-map 1 3 1 2 3 4
rcv-queue cos-map 1 4 6 7
mls qos trust cos
auto qos voip trust
Based on the commands above, i believe the following is happening:
1. Q1 T2 - CoS 0 packets
2. Q2 T1 - Cos 1,2,3,4 packets
3. Q2 T2 - Cos 6,7 packets
4. Q2 is being weighted at 255, Q1 at 50 (Q2 is given more priority)
This port supports 2q2t
Can somebody help me understand what is happening to packets with a CoS of 5 (voice)? How are they getting priority above other packets in the above config?
