3com 3C990B-TX-M Manual De Usuario

Using Windows 2000 Offload Features

53

Windows 2000 provides the capability to individually enable or disable each of the four 
offload features. (The default setting for these features is enabled.)

To enable or disable individual offload settings in Windows 2000:

1 Right-click the My Network Places desktop icon and select Properties.

The Network and Dial-up Connections screen appears.

2 Right-click the Local Area Connection icon and select Properties.

The Local Area Connection Properties screen appears.

3 Click Configure.

The 3Com 10/100 Mbps PCI NIC with 3XP Processor screen appears.

4 Click the Advanced tab.

5 Select Enable Offloads in the Property list box.

6 Select the appropriate value in the Value entry box (shown in the following table) for 

the desired offload state.

7 Close all open windows.

The following table describes values for the offload functions:

All Offloads Disabled

No offloads

cksum

TCP Checksum

cksum-ipsec

TCP Checksum and IPSec

cksum-tcpseg

TCP Checksum and TCP Segmentation

cksum-tcpseg-ipsec

TCP Checksum and TCP Segmentation and IPSec

ipsec

IPSec

tcpseg

TCP Segmentation

tcpseg-ipsec

TCP Segmentation and IPSec

802.1p

Packet Priority

802.1p-cksum

Packet Priority and TCP Checksum

802.1p-cksum-ipsec

Packet Priority and TCP Checksum and IPSec

802.1p-cksum-tcpseg

Packet Priority and TCP Checksum and TCP Segmentation

802.1p-cksum-tcpseg-ipsec

Packet Priority and TCP Checksum and TCP Segmentation and IPSec

802.1p-ipsec

Packet Priority and IPSec

802.1p-tcpseg

Packet Priority and TCP Segmentation

802.1p-tcpseg-ipsec

Packet Priority and TCP Segmentation and IPSec