Allied Telesis AT-2911 Series Adapters - Manual (Page 74)

Chapter 3: Modifying Advanced Properties
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TCP/UDP Checksum Offload (IPv6)
The TCP/UDP Checksum Offload (IPv6) function enables the adapter to
compute the checksum of transmitting IPv6 packets and verify the
checksum of receiving IPv6 packets, taking load off from the CPU.
To enable or disable the TCP/UDP Checksum Offload (IPv6) feature, do
the following:
1. Access the Device Manger on your operating system.
See “Accessing Advanced Properties” on page 43.
2. Select TCP/UDP Checksum Offload (IPv6) in the Property box.
The TCP/UDP Checksum Offload (IPv6) page is displayed as shown
in Figure 36.
Figure 36. TCP/UDP Checksum Offload (IPv6) Page
3. Select one of the following options:
 Rx & Tx Enabled— Enables the TCP/UDP Checksum Offload
(IPv6) function for both receiving and transmitting IPv6 packets.
This is the default setting.
 Rx Enabled— Enables the TCP/UDP Checksum Offload (IPv6)
function only for receiving IPv6 packets.