Dell S4148U-ON EMC Networking OS10EE FCoE Deployment with FSB - Page 16
Con QoS
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5.2.4 Configure QoS Quality of Service (QoS) configuration is a 3-step process: 1. Create class maps to classify traffic. 2. Create QoS and policy maps for the classified traffic. 3. Apply the QoS and policy maps. FCoE traffic is assigned dot1p priority value 3 by default. In the following tables, dot1p priority value 3 is mapped to QoS group 3. The remaining dot1p priority values, 0-2 and 4-7, are mapped to QoS group 0. QoS group 3 is mapped to queue 3, and QoS group 0 is mapped to queue 0. In this example, bandwidth is allocated 50% to queue 3 for FCoE traffic and 50% to queue 0 for all other traffic using the bandwidth percent command. Note: Bandwidth allocations should total 100% and may be adjusted accordingly to optimize traffic. S5248-Leaf1 dcbx enable class-map type network-qos class_Dot1p_3 match qos-group 3 class-map type queuing map_ETSQueue_0 match queue 0 class-map type queuing map_ETSQueue_3 match queue 3 trust dot1p-map map_Dot1pToGroups qos-group 0 dot1p 0-2,4-7 qos-group 3 dot1p 3 qos-map traffic-class map_GroupsToQueues queue 0 qos-group 0 queue 3 qos-group 3 policy-map type network-qos policy_Input_PFC class class_Dot1p_3 pause pfc-cos 3 policy-map type queuing policy_Output_BandwidthPercent class map_ETSQueue_0 bandwidth percent 50 class map_ETSQueue_3 bandwidth percent 50 interface range ethernet 1/1/311/1/34,1/1/41:1 flowcontrol receive off flowcontrol transmit off priority-flow-control mode on ets mode on service-policy input type network-qos policy_Input_PFC S5248-Leaf2 dcbx enable class-map type network-qos class_Dot1p_3 match qos-group 3 class-map type queuing map_ETSQueue_0 match queue 0 class-map type queuing map_ETSQueue_3 match queue 3 trust dot1p-map map_Dot1pToGroups qos-group 0 dot1p 0-2,4-7 qos-group 3 dot1p 3 qos-map traffic-class map_GroupsToQueues queue 0 qos-group 0 queue 3 qos-group 3 policy-map type network-qos policy_Input_PFC class class_Dot1p_3 pause pfc-cos 3 policy-map type queuing policy_Output_BandwidthPercent class map_ETSQueue_0 bandwidth percent 50 class map_ETSQueue_3 bandwidth percent 50 interface range ethernet 1/1/311/1/34,1/1/41:1 flowcontrol receive off flowcontrol transmit off priority-flow-control mode on ets mode on service-policy input type network-qos policy_Input_PFC 16 Dell EMC Networking OS10EE FCoE Deployment with FSB