Updating the

Receive Buffers

Property

Updating the

Receive Side

Scaling Property

AT-2973SX, AT-2973T, and AT-2973T/4 NetExtreme II Family Adapters Installation and User’s Guide

Receive Buffers are data segments that allow the network adapter to allocate receive packets to memory. For 1 Gbps adapters, the range of valid receive buffers is 50 to 2,000 in increments of 1. The default value is 750 receive buffers.

To set the Receive Buffers property, do the following:

1.Access the Advanced tab:

For Windows Server 2003 Operating systems, see “Selecting the Advanced Tab in Windows Server 2003” on page 100.

For Windows Server 2008, Windows Server 2008 R2 or Windows 7 Operating systems, see “Selecting the Advanced Tab in Windows Server 2008, Windows Server 2008 R2, and Windows 7” on page 103.

For Windows Operating systems, see “Selecting the Advanced Tab in Windows Vista” on page 104.

The Advanced tab is shown in Figure 19 on page 102.

2.From the Property list on the Advanced tab, select Receive Buffers.

3.From the Value list on the Advanced tab, enter a value between 50 and 2,000.

4.Click OK.

5.If prompted to restart your computer, click Yes.

Although it is not necessary to reboot the system for new adapter properties to take effect, rebooting is recommended to reinitialize all registers.

6.Verify that the port LED operates correctly. See one of the following descriptions:

“AT-2973SX Adapter Physical Description” on page 17

“AT-2973T Adapter Physical Description” on page 18

“AT-2973T/4 Adapter Physical Description” on page 21

The Receive Side Scaling (RSS) feature configures RSS queues from 1 to

4.The available options are RSS 1 Queue, RSS 2 Queue, and RSS 4 Queue. By default, RSS is enabled.

To set RSS, do the following:

1.Access the Advanced tab:

For Windows Server 2003 Operating systems, see “Selecting the Advanced Tab in Windows Server 2003” on page 100.

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