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Allied Telesis AT-2711LX/LC Manuale Utente

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Modifying Advanced Properties
88
IPv4 Checksum Offload
The IPv4 Checksum Offload feature allows the adapter to verify the IPv4 
checksum to enhance IPv4 receive and transmit performance and reduce 
CPU utilization. 
To enable or disable the IPv4 Checksum Offload feature, do the following:
1. Access the Advanced Properties.
2. Select IPv4 Checksum Offload in the Property box.
The IPv4 Checksum Offload page is displayed as shown in Figure 46.
Figure 46. IPv4 Checksum Offload Page
3. Select one of the following options:
Rx & Tx Enabled — The adapter verifies IPv4 Checksum for both 
receiving and transmitting packets. This is the default setting.
Disable — The CPU verifies IPv4 checksum.
Rx Enabled — The adapter verifies IPv4 Checksum only for 
receiving packets.
Tx Enabled — The adapter verifies IPv4 Checksum only for 
transmitting packets.
4. Click OK.