Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.0ER - Page 657
class-trust class map is, The reserved
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A trust dot1p-map assigns dot1p 0, 1, 2, and 3 traffic to qos-group 0, and dot1p 4, 5, 6, and 7 traffic to qos-group 1. A qos-map traffic-class map assigns the traffic class in qos-group 0 to queue 0, and qos-group 1 traffic to queue 1. A queuing policy map assigns 30% of interface bandwidth to queue 0, and 70% of bandwidth to queue 1. The pclass policy map applies trust to all dot1p ingress traffic. Trust does not modify ingress dot1p values in output flows. The reserved class-trust class map is configured by default. OS10(config)# trust dot1p-map tmap1 OS10(config-tmap-dot1p-map)# qos-group 0 dot1p 0-3 OS10(config-tmap-dot1p-map)# qos-group 1 dot1p 4-7 OS10(config-tmap-dot1p-map)# exit OS10(config)# qos-map traffic-class tmap2 OS10(config-qos-map)# queue 0 qos-group 0 OS10(config-qos-map)# queue 1 qos-group 1 OS10(config-qos-map)# exit OS10(config)# class-map type queuing cmap1 OS10(config-cmap-queuing)# match queue 0 OS10(config-cmap-queuing)# exit OS10(config)# class-map type queuing cmap2 OS10(config-cmap-queuing)# match queue 1 OS10(config-cmap-queuing)# exit OS10(config)# policy-map type queuing pmap1 OS10(config-pmap-queuing)# class cmap1 OS10(config-pmap-c-que)# bandwidth percent 30 OS10(config-pmap-c-que)# exit OS10(config-pmap-queuing)# class cmap2 OS10(config-pmap-c-que)# bandwidth percent 70 OS10(config-pmap-c-que)# end 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 5. ETS configuration (interface and global) Apply the service policies with dot1p trust and ETS configurations to an interface or on all switch interfaces. Only one qos-map traffic-class map is supported on a switch. OS10(config)# interface ethernet 1/1/53 OS10(conf-if-eth1/1/53)# trust-map dot1p tmap1 OS10(conf-if-eth1/1/53)# qos-map traffic-class tmap2 OS10(conf-if-eth1/1/53)# service-policy input type qos pclass OS10(conf-if-eth1/1/53)# service-policy output type queuing pmap1 OS10(conf-if-eth1/1/53)# ets mode on OS10(conf-if-eth1/1/53)# end OS10(config)# system qos OS10(config-sys-qos)# trust-map dot1p tmap1 OS10(config-sys-qos)# qos-map traffic-class tmap2 OS10(config-sys-qos)# service-policy input type qos pclass OS10(config-sys-qos)# service-policy output type queuing pmap1 OS10(config-sys-qos)# ets mode on 6. Verify DCB configuration OS10(conf-if-eth1/1/53)# show configuration ! interface ethernet1/1/53 switchport access vlan 1 no shutdown service-policy input type network-qos test service-policy input type qos pclass service-policy output type queuing pmap1 Converged data center services 657