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iSCSI SANs | SCG4077
3.5 Create Priority Flow Control dot1p traffic class
The following commands configure a network QoS class map and match the iSCSI traffic class.
OS10(config)# class-map type network-qos <iSCSI-class-map-name>
OS10(config-cmap-nqos)# match qos-group 4
OS10(config-cmap-nqos)# exit
3.6 Configure network QoS policy map
OS10(config)# policy-map type network-qos <policy-map-name>
OS10(config-pmap-network-qos)# class <iSCSI-class-map-name>
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)# exit
OS10(config)# policy-map type application <qos-policy-map-name>
OS10(config-pmap-application)# class class-iscsi
OS10(config-pmap-c-app)# set qos-group 4
OS10(config-pmap-c-app)# set cos 4
OS10(config-pmap-c-app)# exit
OS10(config-pmap-application)# exit
3.7 Configure queue to traffic-class mapping
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
3.8 Configure class-map queuing policies
OS10(config)# class-map type queuing <LAN-traffic-map-name>
OS10(config-cmap-queuing)# match queue 0
OS10(config-cmap-queuing)# exit
OS10(config)# class-map type queuing <iSCSI-traffic-map-name>
OS10(config-cmap-queuing)# match queue 4
OS10(config-cmap-queuing)# exit