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Quick Installation Guide
the PC hardware, other devices on the PCI bus, and the
applications being run. Considering all the variables involved, it
is recommended to experiment with the Packet Propulsion
threshold to find the setting that maximizes the performance of
the Cheetah Gigabit Adapter in your system.
Jumbo Frame Support
The Cheetah Gigabit Adapter can be configured to use Jumbo
Frames. This increases the maximum Ethernet frame size
from 1514 bytes up to 9014 bytes. Using Jumbo Frames
greatly reduces the packet processing overhead and can
boost throughput by up to 300% for bulk data transfers.
Note that to use Jumbo Frames, both communicating
computers must have network cards that support this feature.
Also at full duplex, all switches in the network between the two
end computers must be able to accept the extended frame
size. With half-duplex connections, all devices in the collision
domain would need to support Jumbo Frames. LAN
partitioning, either physical or logical using VLAN tags, can be
implemented to allow computers to simultaneously support
standard and Jumbo frame sizes.
VLAN Properties
Select the “VLAN Properties” tab in the utility window to
configure the adapter’s VLAN options and to edit the 16-entry
VLAN ID table.