Configure Data Center Bridging (DCB) (optional) 
 
 
14 Dell EMC Networking S4148-ON and S4128-ON Switch Configuration Guide for Dell EMC SC Series SANs | SCG3704 
3.8  Configure ETS policies 
OS10(config)# qos-map traffic-class <queue-map-name> 
OS10(config-qos-map)# queue 0 qos-group 0-3,5-7 
OS10(config-qos-map)# queue 4 qos-group 4 
OS10(config-qos-map)# exit 
OS10(config)#  
OS10(config)# class-map type queuing <LAN-traffic-map-name> 
OS10(config-cmap-queuing)# match queue 0 
OS10(config-cmap-queuing)# exit 
OS10(config)#  
OS10(config)# class-map type queuing <iSCSI-traffic-map-name> 
OS10(config-cmap-queuing)# match queue 4 
OS10(config-cmap-queuing)# exit 
OS10(config)#  
3.9  Create ETS policy-map for bandwidth allocations 
OS10(config)# policy-map type queuing <queuing-policy-name> 
OS10(config-pmap-queuing)# class LAN 
OS10(config-pmap-c-que)# bandwidth percent <bandwidth-percentage> 
OS10(config-pmap-c-que)# class iSCSI 
OS10(config-pmap-c-que)# bandwidth percent <bandwidth-percentage> 
OS10(config-pmap-c-que)# exit 
OS10(config-pmap-queuing)# exit 
OS10(config)#  
Note: The sum of the bandwidth percentages must equal 100. Monitor the LAN and SAN performance in your 
environment to determine optimal bandwidth settings.  
3.10  QoS policy 
OS10(config)# system qos 
OS10(config-sys-qos)# service-policy input type qos <trust-policy-map-name> 
OS10(config-sys-qos)# service-policy type application <qos-policy-map-name> 
OS10(config-sys-qos)# ets mode on 
OS10(config-sys-qos)# exit 
OS10(config)#