Using Windows 2000 Offload Features

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Enabling Offloads
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:
1Right-click the My Network Places desktop icon and select Properties.
The Network and Dial-up Connections screen appears.
2Right-click the Local Area Connection icon and select Properties.
The Local Area Connection Properties screen appears.
3Click Configure.
The 3Com 10/100 Mbps PCI NIC with 3XP Processor screen appears.
4Click the Advanced tab.
5Select Enable Offloads in the Property list box.
6Select the appropriate value in the Value entry box (shown in the following table) for
the desired offload state.
7Close all open windows.
The following table describes values for the offload functions:
Value Offload Function Enabled
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