QTECH QSW-3400 Инструкция по настройке - Manual (Page 196)

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Switch(Config-ClassMap-c1)#match access-group 1
Switch(Config-ClassMap-c1)#exit
Switch(config)#policy-map p1
Switch(Config-PolicyMap-p1)#class c1
Switch(Config-PolicyMap-p1-Class-c1)#set ip precedence 5
Switch(Config-PolicyMap-p1-Class-c1)#exit
Switch(Config-PolicyMap-p1)#exit
Switch(config)#interface ethernet 1/1
Switch(Config-If-Ethernet1/1)#service-policy input p1
QoS configuration in Switch2:
Switch#config
Switch(config)#interface ethernet 1/1
Switch(Config-If-Ethernet1/1)#mls qos trust cos
21.4 QoS Troubleshooting

trust cos can be used with other trust or Policy Map.

trust dscp can be used with other trust or Policy Map. This configuration takes effect to
IPv4 and IPv6 packets.

trust dscp and trust cos may be configured at the same time, the priority is:
DSCP>COS.

If the dynamic VLAN (mac vlan/voice vlan/ip subnet vlan/protocol vlan) is configured,
then the packet COS value equals COS value of the dynamic VLAN.

Policy map can only be bound to ingress direction, egress is not supported yet.

At present, it is not recommended to synchronously use policy map on VLAN and
VLAN’s port.