Hi . 
I am using ovs-2.13.3, and I have configured QoS with the following parameters: 
min-rate = 200Mbps max-rate = 500Mbps burst = 10Mb
The QoS queue configuration in ovsdb is normal, as shown below:
 [root@l]$ovs-vsctl list queue b7ca3e81-3672-41b7-a0d0-12368d39816e 
_uuid : b7ca3e81-3672-41b7-a0d0-12368d39816e 
dscp : [] 
external_ids : {} 
other_config : {burst="10000000", max-rate="250000000.0", 
min-rate="100000000.0", priority="100"}
The corresponding tc_class is as follows: 
tc class show dev enp4s0f0 
class htb 1:b2 parent 1:fffe prio 7 rate 12000bit ceil 20000Mbit burst 1563b 
cburst 0b
The QoS configuration as seen in ovs-appctl qos/show enp4s0f0 is as follows: 
Queue 177: burst: 10000000 priority: 100 min-rate: 12000 max-rate: 20000000000 
tx_packets: 0 tx_bytes: 0 tx_errors: 0

Echken
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