text: **3.7 iSCSI configuration planning**
  
  Each Storwize V7000 node is equipped with up to three onboard Ethernet network interface 
  cards (NICs), which can operate at a link speed of 10 Mbps, 100 Mbps, or 1000 Mbps. All 
  NICs can be used to carry iSCSI traffic. For optimal performance, use a 1 Gbps links between 
  Storwize V7000 and iSCSI-attached hosts when the Storwize V7000 node’s onboard NICs 
  are used. 
  
  An optional 10 Gbps 2-port Ethernet adapter is available. One such adapter can be installed 
  in each node and can be used to add 10 Gb iSCSI/FCoE connectivity to the Storwize V7000. 
  
  Figure 3-8 on page 61 shows an overview of the iSCSI implementation in the Storwize 
  V7000. 