Dell S5148F-ON OS10 Enterprise Edition User Guide Release 10.3.2E-R1 - Page 454
Verify configuration
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the maximum threshold. After a queue depth exceeds the maximum threshold, all other packets that attempt to enter the queue are discarded. In S5148F-ON, flow based coloring is not supported. Consider the following for buffer configuration on S5148F-ON. • Ingress buffer configuration: • Configure the lossy buffer profile on the port and not on priority group, with shared static threshold reaching the maximum switch buffer size. Dynamic threshold mode is not supported. • Configure the lossless LLFC buffer profile on the port and not on priority group, without enabling sharing. The total reserved buffer size is the minimum guaranteed size + headroom size. • Egress buffer configuration: • When ingress is lossy, configure a reserved buffer size for the egress queue. The shared threshold can be either static or dynamic. • When ingress is lossless, configure a static shared threshold with the maximum buffer size. • Configure the reserved buffer size or shared static threshold in multiples of 128. The minimum guaranteed buffer size on a queue is 128. 1 Configure WRED profile in the CONFIGURATION mode. wred wred-profile-name 2 Configure WRED threshold parameters for different colors in the WRED CONFIGURATION mode. random-detect color color-name minimum-threshold threshold-value maximum-threshold thresholdvalue drop probability percent 3 Configure the exponential weight value for the WRED profile in the WRED CONFIGURATION mode. random-detect weight weight-value Configure WRED on a queue and on a port OS10(config)# wred wred_prof_1 OS10(config-wred)# random-detect color yellow minimum-threshold 100 maximum-threshold 300 dropprobability 40 OS10(config-wred)# random-detect weight 4 OS10(config)# class-map type queuing c1 OS10(config-cmap-queuing)# match queue 2 OS10(config-cmap-queuing)# exit OS10(config)# policy-map type queuing p1 OS10(config-pmap-queuing)# class c1 OS10(config-pmap-c-que)# random-detect wred_prof_1 OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# random-detect wred_prof_1 Verify configuration You can view the QoS configuration information related to active class-maps, policy-maps, and match criteria. OS10# show qos interface ethernet 1/1/5 Interface unknown-unicast-storm-control : Disabled multicast-storm-control : Disabled broadcast-storm-control : Disabled flow-control-rx : Disabled flow-control-tx : Disabled ets mode : Disabled • Display the ingress or egress QoS configuration details in EXEC mode. show qos {control-plane | system | interface interface} • control-plane-View all QoS control-plane information. • system-View all QoS system information. • interface ethernet node/slot/port:[subport]-View the QoS configuration for the specified Ethernet interface node, slot, and port identification number. 454 Quality of service
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