HP Embedded Firewall Series Instrukcja Użytkownika Pobierz pdf (Strona 46)

10 Installing 3Com Advanced Server Features for Windows

Changing Windows 2003, Windows XP, and

Windows

2000 Property Settings

If you receive warnings about inconsistent property settings (for example, the 802.1p

Support property) while creating a group, use the following procedure to change a NIC

property:

1 Right-click the My Computer icon and select Properties from the menu.

2 Click the Hardware tab, then click Device Manager.

3 Double-click Network Adapters.

4 Right-click on the name of the appropriate NIC and select Properties from the menu.

5 Click the Advanced tab.

6 Select the appropriate property from the list (for example, 802.1p Support).

7 Use the scroll list to change the property value.

8 Exit the Device Manager.

Identifying Windows 2003 and Windows 2000 Miniport

and LAN

Connections

3Com Advanced Server miniport connections and NIC Local Area Connections are listed in

the Network and Dial-up Connections window. If a group or VLAN is associated with a

miniport, the group name and VLAN name appear in the miniport icon name. If a

miniport is associated with an ungrouped NIC, you can identify the NIC by its MAC

address as follows:

1 In the Network and Dial-up Connections window, right-click the miniport icon and

select Properties from the menu.

2 In the DynamicAccess Properties window, click the General tab.

3 In the General tab, move the cursor over the miniport name. (Do not click the name.)

After a short pause, the MAC address of the associated NIC appears in a pop-up

window.

Using Windows 2003, Windows XP, and Windows 2000

Offload Features

The 3CR990B NIC supports Windows 2003, Windows XP, and Windows 2000 offload

features in an IP environment. The offload features are designed to enhance the Windows

2003 and Windows 2000 operating system capabilities by off-loading key TCP/IP

networking and security tasks from the operating system:

• IPSec Offload—reduces CPU utilization by allowing the NIC and a crypto chip on the

NIC to perform data encryption operations.

• TCP Segmentation Offload—reduces CPU utilization by allowing the NIC to perform

segmentation of TCP packets.

NOTE: Windows 2003 and Windows 2000 do not allow IPSec offloads and TCP

Segmentation offloads for the same session. Though all offload types may be

enabled, TCP Segmentation offloading will not occur during an IPSec session.

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HP Embedded Firewall Series Instrukcja Użytkownika Strona 46