What is MACsec offload?

MACsec offload describes the ability of some Intel® Ethernet Adapters to handle MACsec encryption onboard, instead of using the system CPU.  This feature reduces the overhead of MACsec on the associated networked device.

What is required to enable MACsec offload?
You will need the following to enable MACsec offload on your Intel® Ethernet Adapter:

1. Intel® Ethernet software that enables MACsec offload (version 15.6 or later)
2. A suported Intel® Ethernet adapter or connection with MACsec offload enabled
3. Cisco AnyConnect* supplicant

Intel® Network Connections Software

Which Intel® Ethernet Adapters support MACsec offload?

Intel® Gigabit EF Dual Port Server Adapter
Intel® Gigabit ET Dual Port Server Adapter
Intel® Gigabit ET Quad Port Server Adapter
Intel® Gigabit ET2 Quad Port Server Adapter

Where to buy Intel® Products

Get Cisco AnyConnect* software and Support Information

Operating System:

Windows Vista *, Windows 7 *, Windows XP *

This applies to:

Intel® Gigabit EF Dual Port Server Adapter Intel® Gigabit ET Dual Port Server Adapter Intel® Gigabit ET Quad Port Server Adapter Intel® Gigabit ET2 Quad Port Server Adapter