Unable to update a configured QoS policy.

1. Invoke the following API to ensure that qospDscpRule is present on the leaf.

   GET https://192.0.20.123/api/node/class/qospDscpRule.xml

2. Ensure that the QoS rules are accurately configured and associated to the EPG ID to which the policy is attached.

   Use the following NX-OS style CLI commands to verify the configuration.

   leaf1# 
   show vlan
     
   leaf1# 
   show system internal aclqos qos policy detail
    
   apic1# 
   show running-config tenant tenant-name policy-map type qos custom-qos-policy-name
    
   apic1# 
   show running-config tenant tenant-name application application-name epg epg-name