Datasheet
Features Benefits
I/O Features for Multi-core Processor Servers
Tx/Rx IP, SCTP, TCP, and UDP checksum ofoading
(IPv4, IPv6) capabilities
• Lower processor usage
• Checksum and segmentation capability extended to new standard packet type
Tx TCP segmentation ofoad (IPv4, IPv6) • Increased throughput and lower processor usage
• Compatible with large-send ofoad feature (in Microsoft Windows* Server operating systems)
Receive and Transmit Side Scaling for Windows environment
and Scalable I/O for Linux* environments (IPv4, IPv6, TCP/UDP)
• This technology enables the direction of the interrupts to the processor cores in order to improve
the CPU utilization rate
IPsec Ofoad • Ofoads IPsec capability onto the adapter instead of the software to signicantly improve I/O
throughput and CPU usage (for Windows* 2008 Server, Vista*, Windows* 2008 Server R2, and
Windows* 7)
MacSec • IEEE spec: 802.1ae
• Layer 2 data protection that provides encryption and authentication ability between
two individual devices (routers, switches, etc.)
• MacSec is designed into the network adapter hardware. These adapters are prepared to provide
MacSec functionality when the ecosystem is ready to support this new technology
Virtualization Features
VMDq • Ofoads the data-sorting functionality from the Hypervisor to the network silicon, improving
data throughput and CPU usage
• Provides QoS feature on the Tx data by providing round-robin servicing and preventing
head-of-line blocking
• Sorting based on MAC addresses and VLAN tags
Next-Generation VMDq
1
(64 queues per port) • Enhanced QoS feature by providing weighted round-robin servicing for the Tx data
• Provides loopback functionality, where data transfer between the virtual machines within the same
physical server need not go out to the wire and come back in, improving throughput and CPU usage
• Supports replication of multicast and broadcast data
PC-SIG SR-IOV Implementation (64 virtual functions per port) • Provides an implementation of the PCI-SIG standard for I/O Virtualization. The physical conguration
of each port is divided into multiple virtual ports. Each virtual port is assigned to an individual virtual
machine directly by bypassing the virtual switch in the Hypervisor, resulting in near-native performance.
• Integrated with Intel® VTI for Directed I/O (VT-d) to provide data protection between virtual machines
by assigning separate physical addresses in the memory to each virtual machine
Virtual Machine Load Balancing (VLMB) • Virtual Machines Load Balancing (VMLB) provides trafc load balancing (Tx and Rx) across Virtual
Machines bound to the team interface, as well as fault tolerance in the event of switch, port, cable, or
adapter failure.
Advanced Packet Filtering • 24 exact-matched packets (unicast or multicast)
• 4096-bit hash lter for unicast and multicast frames
• Lower processor usage
• Promiscuous (unicast and multicast) transfer mode support
• Optional ltering of invalid frames
VLAN support with VLAN tag insertion, stripping
and packet ltering for up to 4096 VLAN tags
• Ability to create multiple VLAN segments
Manageability Features
Preboot eXecution Environment (PXE) Support • Enables system boot up via the LAN (32-bit and 64-bit)
• Flash interface for PXE image
Simple Network Management Protocol (SNMP) and
Remote Network Monitoring (RMON) Statistic Counters
• Easy system monitoring with industry-standard consoles
iSCSI Boot • Enables system boot up via iSCSI
• Provides additional network management capability
Watchdog Timer • Gives an indication to the manageability rmware or external devices that the chip or the driver
is not functioning
Intel Backing
Backed by an Intel® limited lifetime warranty, 90-day money-back guarantee
(U.S. and Canada), and worldwide support
Customer Support
Intel® Customer Support Services offers a broad selection of
programs including phone support and warranty service. For more
information, contact us at support.intel.com/support/go/network/
adapter/home.htm. Service and availability may vary by country.
For Product Information
To speak to a customer service representative, please call 1-800-
538-3373 (U.S. and Canada) or visit support.intel.com/support/go/
network/contact.htm for the telephone number in your area. For
additional product information on Intel Networking Connectivity
products, visit www.intel.com/go/ethernet.