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AT-2711 Series Fast Ethernet Adapter Installation Guide
87
Checksum Offload
The Checksum Offload feature allows the adapter to verify the TCP/IP
checksum to enhance receive and transmit performance and reduce CPU
utilization.
To enable or disable the Checksum Offload feature, do the following:
1. Access the Advanced Properties.
See “Accessing Advanced Properties” on page 76.
2. Select Checksum Offload in the Property box.
The Checksum Offload page is displayed as shown in Figure 45.
Figure 45. Checksum Offload Page
3. Select one of the following options:
None — The TCP/IP Checksum feature is disabled.
Rx TCP/IP Checksum — The adapter verifies TCP/IP Checksum
only for receiving packets.
Tx TCP/IP Checksum — The adapter verifies TCP/IP Checksum
only for transmitting packets.
Tx/Rx TCP/IP Checksum — The adapter verifies Checksum for
both receiving and transmitting packets. This is the default setting.
4. Click OK.