H3C Technologies H3C S12500-X Series Switches - Manual (Page 109)

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# Create a class named app_c with the logic OR operator, and specify ACL 4000 as the match criterion.
[SwitchA] traffic classifier app_c operator or
[SwitchA-classifier-app_c] if-match acl 4000
[SwitchA-classifier-app_c] quit
# Create a behavior named app_b, and configure the action of marking packets with 802.1p priority 3.
[SwitchA] traffic behavior app_b
[SwitchA-behavior-app_b] remark dot1p 3
[SwitchA-behavior-app_b] quit
# Create a QoS policy named plcy, and associate the class app_c with the behavior app_b in the QoS
policy, specifying that the class-behavior association applies only to DCBX.
[SwitchA] qos policy plcy
[SwitchA-qospolicy-plcy] classifier app_c behavior app_b mode dcbx
[SwitchA-qospolicy-plcy] quit
# Apply the QoS policy plcy to the outbound direction of interface Ten-GigabitEthernet 1/0/1.
[SwitchA] interface ten-gigabitethernet 1/0/1
[SwitchA-Ten-GigabitEthernet1/0/1] qos apply policy plcy outbound
[SwitchA-Ten-GigabitEthernet1/0/1] quit
# Apply the QoS policy plcy to the outbound direction of interface Ten-GigabitEthernet 1/0/2.
[SwitchA] interface ten-gigabitethernet 1/0/2
[SwitchA-Ten-GigabitEthernet1/0/2] qos apply policy plcy outbound
[SwitchA-Ten-GigabitEthernet1/0/2] quit
# Map 802.1p priority 3 to local precedence 3 in the outbound direction. (This is the default mapping,
and you can modify the mapping as needed.)
[SwitchA] qos map-table dot1p-lp
[SwitchA-maptbl-out-dot1p-lp] import 3 export 3
[SwitchA-maptbl-out-dot1p-lp] quit
# Enable byte-count WRR on interface Ten-GigabitEthernet 1/0/1, and configure queue 3 to use strict
priority (SP) queuing.
[SwitchA] interface ten-gigabitethernet 1/0/1
[SwitchA-Ten-GigabitEthernet1/0/1] qos wrr byte-count
[SwitchA-Ten-GigabitEthernet1/0/1] qos wrr 3 group sp
# Enable byte-count WRR on interface Ten-GigabitEthernet 1/0/2, and configure queue 3 to use SP
queuing.
[SwitchA] interface ten-gigabitethernet 1/0/2
[SwitchA-Ten-GigabitEthernet1/0/2] qos wrr byte-count
[SwitchA-Ten-GigabitEthernet1/0/2] qos wrr 3 group sp
[SwitchA-Ten-GigabitEthernet1/0/2] quit
# Enable interface Ten-GigabitEthernet 1/0/1 to automatically negotiate with its peer to decide whether
to enable PFC, enable PFC for 802.1p priority 3, and configure Ten-GigabitEthernet 1/0/1 to trust the
802.1p priority carried in packets.
[SwitchA] interface ten-gigabitethernet 1/0/1
[SwitchA-Ten-GigabitEthernet1/0/1] priority-flow-control auto
[SwitchA-Ten-GigabitEthernet1/0/1] priority-flow-control no-drop dot1p 3
[SwitchA-Ten-GigabitEthernet1/0/1] qos trust dot1p
[SwitchA-Ten-GigabitEthernet1/0/1] quit