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AT-2973SX, AT-2973T, and AT-2973T/4 NetExtreme II Family Adapters Installation and User’s Guide
113
Updating the
Jumbo MTU
Property
The Jumbo MTU property allows the adapter to transmit and receive
oversized Ethernet frames that are greater than 1,514 bytes but less than
9,000 bytes in length. Note that this property requires a switch that is able
to process large frames. By default, the Jumbo MTU property is set to
1500 bytes.
To increase the size of the received frames, 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 P
roperty list on the Advanced tab, select Jumbo MTU.
3. From the V
alue list on the Advanced tab, select the byte quantity in
500-byte increments.
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 adapter port LEDs are operating 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