Dell Networking N4000 Series Configuration Manual page 476

5 Enter Interface Configuration mode for CNA connected ports 1-4 and
array connected ports 16-17.
console(config)#interface range te1/0/1-4,te1/0/16-17
6 Enable VLAN tagging to allow the CNA connected ports to carry 802.1p
priority values through the network.
console(config-if)#switchport mode trunk
7 Enter datacenter bridging mode to enable PFC on the ports.
console(config-if)#datacenter-bridging
8 Enable PFC and configure traffic marked with 802.1p priority 4 to be
paused rather than dropped when congestion occurs.
console(config-if-dcb)#priority-flow-control mode on
console(config-if-dcb)#priority-flow-control priority 4
no-drop
console(config-if-dcb)#exit
9 Configure ETS by mapping the lossless traffic onto TC 1 and sharing
bandwidth equally between the lossless and lossy traffic classes.
console(config-if)#classofservice traffic-class-group 0 0
console(config-if)#classofservice traffic-class-group 1 0
console(config-if)#classofservice traffic-class-group 2 0
console(config-if)#classofservice traffic-class-group 3 0
console(config-if)#classofservice traffic-class-group 4 1
console(config-if)#classofservice weight 50 50 0
10 Exit interface configuration mode for the range of interfaces.
console(config-if)#exit
476
Configuring iSCSI Optimization