Allied Telesis AT-2972T/2 - Manual (Page 63)

AT-29xx Series Gigabit Ethernet Adapters Installation Guide
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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, perform the following
procedure:
1. Start either a Windows Server 2003 or a Windows XP system and log
in.
You must have Administrator privileges to update the driver software.
2. On the desktop, right click My Computer.
The My Computer window opens.
3. Select Properties from the menu.
The System Properties dialog box opens, as shown in Figure 7 on
page 36.
4. Click the Advanced tab.
The Advanced tab is shown in Figure 13 on page 59.
5. From the Properties list, select Flow Control.
6. From the Values list, increment the byte quantity in 500-byte
increments.
7. Click OK.
8. If prompted to restart your computer, click Yes.
Even though it is not necessary to reboot the system for new adapter
properties to take effect, rebooting is recommended to reinitialize all
registers.
9. Verify that the adapter port LEDs operate as described in “LEDs” on
page 19.
Large Send
Offload
Normally, the protocol stack performs TCP segmentation. When you
enable the Large Send Offload property, the network adapter can do the
TCP segmentation.
To change the Large Send Offload property, perform the following
procedure:
1. Start either a Windows Server 2003 or a Windows XP system and log
in.