Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.0ER - Page 656
The reserved class-trust class map is, classes all use the default PFC pause settings for shared
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• The default class-trust class map honors dot1p priorities in ingress flows and applies a 1-to-1 dot1p-to-qos-group and a 1-to-1 qosgroup-to-queue mapping. In OS10, qos-group represents a traffic class used only for internal processing. 1. DCBX configuration (global) Configure DCBX globally on a switch to enable the exchange of DCBX TLV messages with PFC, ETS, and iSCSI configurations. OS10# configure terminal OS10(config)# dcbx enable 2. PFC configuration (global) PFC is enabled on traffic classes with dot1p 4, 5, 6, and 7 traffic. The traffic classes all use the default PFC pause settings for shared buffer size and pause frames in ingress queue processing in the network-qos policy map. The pclass policy map honors (trusts) all dot1p ingress traffic. The reserved class-trust class map is configured by default. Trust does not modify ingress values in output flows. OS10(config)# class-map type network-qos test4 OS10(config-cmap-nqos)# match qos-group 4 OS10(config-cmap-nqos)# exit OS10(config)# class-map type network-qos test5 OS10(config-cmap-nqos)# match qos-group 5 OS10(config-cmap-nqos)# exit OS10(config)# class-map type network-qos test6 OS10(config-cmap-nqos)# match qos-group 6 OS10(config-cmap-nqos)# exit OS10(config)# class-map type network-qos test7 OS10(config-cmap-nqos)# match qos-group 7 OS10(config-cmap-nqos)# exit OS10(config)# policy-map type network-qos test OS10(config-pmap-network-qos)# class test4 OS10(config-pmap-c-nqos)# pause OS10(config-pmap-c-nqos)# pfc-cos 4 OS10(config-pmap-c-nqos)# exit OS10(config-pmap-network-qos)# class test5 OS10(config-pmap-c-nqos)# pause OS10(config-pmap-c-nqos)# pfc-cos 5 OS10(config-pmap-c-nqos)# exit OS10(config-pmap-network-qos)# class test6 OS10(config-pmap-c-nqos)# pause OS10(config-pmap-c-nqos)# pfc-cos 6 OS10(config-pmap-c-nqos)# exit OS10(config-pmap-network-qos)# class test7 OS10(config-pmap-c-nqos)# pause OS10(config-pmap-c-nqos)# pfc-cos 7 OS10(config-pmap-c-nqos)# exit OS10(config-pmap-network-qos)# exit OS10(config)# policy-map pclass OS10(config-pmap-qos)# class class-trust OS10(config-pmap-c-qos)# trust dot1p OS10(config-pmap-c-qos)# end 3. PFC configuration (interface) Apply the service policies with dot1p trust and PFC configurations to an interface. OS10(config)# interface ethernet 1/1/53 OS10(conf-if-eth1/1/53)# no shutdown OS10(conf-if-eth1/1/53)# service-policy input type network-qos test OS10(conf-if-eth1/1/53)# service-policy input type qos pclass OS10(conf-if-eth1/1/53)# priority-flow-control mode on OS10(conf-if-eth1/1/53)# end 4. ETS configuration (global) 656 Converged data center services
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