On 02/05/2013 13:21, Andrew Miehs wrote: > For iSCSI I would be looking at 45xx, 49xx, 65xx or Nexus 5k or 7k. 6500 lan cards also have quite poor buffers. Better to use a system with larger shared buffers rather than smaller dedicated buffers, if it's store-n-forward. Cut-thru switches behave slightly differently. Nick