The ability to support 10GB CNA Ethernet

The 8200 Series 10Gb Converged Network Adapters support concurrent LAN (TCP/IP) and SAN (FCoE, iSCSI) traffic over a shared 10Gbps Ethernet (GbE) link.anyone here test the nexus 5000 with 10Gb CNA card on ESX 4 with the virtual machine?  I got a very slow performance and yet to sort out until  The adapters showcase industry-leading LAN networking performance, full hardware offload for FCoE and iSCSI protocol processing, and an extensive set of features that enhance system virtualization. In addition, the 8200 Series Adapters leverage QLogic’s existing Fibre Channel and iSCSI drivers, making the adapters the most dependable and battle-hardened Converged Network Adapters on the market.Emulex Fibre Channel over Ethernet (FCoE) Converged Network Adapters 10GB CNA leverage ten generations of advanced, field-proven Fibre Channel technology to provide host LAN and Fibre Channel SAN connectivity over 10GB CNA Ethernet using FCoE and Enhanced Ethernet functionality, making them ideal for server I/Oconsolidation.OneConnect  iSCSI adapters are members of the Emulex OneConnect Universal CNA family, which includes