Resetting and restoring QoS counters
To reset the QoS counters to zero (applies to all applications except SNMP) for the specified ports:
diagnose switch physical-ports qos-stats set-qos-counter-zero [<port_list>]
To restore the QoS counters to the hardware values for the specified ports:
diagnose switch physical-ports qos-stats set-qos-counter-revert [<port_list>]
For example:
diagnose switch physical-ports qos-stats set-qos-counter-zero 2,4,7-9
diagnose switch physical-ports qos-stats set-qos-counter-revert 1,3-5,7