Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 743
Total Rx PFC Frames: 0
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Decide if you want to use the default 802.1p priority-to-traffic class (qos-group) mapping or configure a new map. By default, the qos class-trust class map is applied to ingress traffic. The class-trust class instructs OS10 interfaces to honor dot1p or DSCP traffic. Dot1p Priority : 0 1 2 3 4 5 6 7 Traffic Class : 1 0 2 3 4 5 6 7 • Apply the default trust map specifying that dot1p values are trusted in SYSTEM-QOS or INTERFACE mode. trust-map dot1p default Configure a non-default dot1p-priority-to-traffic class mapping 1 Configure a trust map of dot1p traffic classes in CONFIGURATION mode. A trust map does not modify ingress dot1p values in output flows. Assign a qos-group to trusted dot1p values in TRUST mode using 1-to-1 mappings. Dot1p priorities are 0-7. For a PFC traffic class, map only one dot1p value to a qos-group number; for Broadcom-based NPU platforms, the qos-group number and the dot1p value must be the same. A qos-group number is used only internally to classify ingress traffic classes. trust dot1p-map dot1p-map-name qos-group {0-7} dot1p {0-7} exit 2 Apply the trust dot1p-map policy to ingress traffic in SYSTEM-QOS or INTERFACE mode. trust-map dot1p trust-policy-map-name Configure traffic-class-queue mapping Decide if you want to use the default traffic-class-queue mapping or configure a non-default traffic-class-to-queue mapping. Traffic Class : 0 1 2 3 4 5 6 7 Queue : 0 1 2 3 4 5 6 7 If you are using the default traffic-class-to-queue map, no further configuration steps are necessary. 1 Create a traffic-class-to-queue map in CONFIGURATION mode. Assign a traffic class (qos-group) to a queue in QOS-MAP mode using 1-to-1 mappings. For a PFC traffic class, map only one qos-group value to a queue number. A qos-group number is used only internally to classify ingress traffic. qos-map traffic-class tc-queue-map-name queue {0-7} qos-group {0-7} exit 2 Apply the traffic-class-queue map in SYSTEM-QOS or INTERFACE mode. qos-map traffic-class tc-queue-map-name View interface PFC configuration View PFC details on an interface. OS10# show interface ethernet 1/1/1 priority-flow-control details ethernet1/1/1 Admin Mode : true Operstatus: true PFC Priorities: 4 Total Rx PFC Frames: 0 Total Tx PFC frames: 0 Cos Rx Tx 0 0 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 Converged data center services 743
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