82575 datasheet(13/69 Pages) INTEL

13 / 69 page

82575 Gigabit Ethernet Controller Datasheet

2.5

Manageability Features

Header split replication in receive

• Helps the driver to focus on the relevant part of

the packet without the need to parse it.

Advanced packet filtering

• 16 exact matched packets (unicast or multicast)

• 4096-bit hash filter for multicast frames

• Promiscuous (unicast and multicast) transfer

mode support

• Optional filtering of invalid frames

IEEE 802.1q VLAN support with VLAN tag

insertion, stripping and packet filtering for up

to 4096 VLAN tags

• Ability to create multiple virtual LAN segments

Double Vlan

• Insert in Tx and extract in Rx

Descriptor ring management hardware for

transmit and receive

• Optimized fetching and write-back mechanisms

for efficient system memory and PCI bandwidth

usage

9.5 kByte jumbo frame support

• High throughput for large data transfers on

networks supporting jumbo frames

Receive Side Scaling (RSS)

• Multiple Rx queues

VMDq

• Virtualization environment. In this environment,

packets dedicated to different virtual machines

can be routed to different queues, thus easing

the routing of these packets to the target

machine.

Direct Cache Access (DCA)

• The IO device activates a pre-fetch engine in the

CPU that loads the data into the CPU cache ahead

of time, before use, eliminating cache misses and

reducing CPU load.

Fragmented UDP checksum offload for packet

reassembly

•

Features

Benefits

Features

Benefits

Advance Pass Through-compatible

management packet Tx/Rx support

ASF 1.0 and Alert on LAN 2.0

Both ports support Wake on LAN (WoL)

SMBus port

Network management flexibility

NC-SI high-bandwidth interface

Manageability DMTF preOS sideband protocol

support

On-board microcontroller

Promotes customized designs

Allows packets routing to and from either LAN

port and a server management processor

Preboot eXecution Environment (PXE) Flash

interface support (32-bit and 64-bit)

Local Flash interface for PXE image

iSCSI Boot

Network Management Feature

82575 Datasheet(PDF) 13 Page - Intel Corporation

82575 Datasheet(HTML) 13 Page - Intel Corporation

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