Manually Configuring a WLAN
In this field...
Do this...
Antenna Selection
Multipath distortion is caused by the reflection of Radio Frequency (RF)
signals traveling from the transmitter to the receiver along more than one
path. Signals that were reflected by some surface reach the receiver after
non-reflected signals and distort them.
NetDefend firewalls avoid the problems of multipath distortion by using an
antenna diversity s
security appliance has two antennas.
Specify which antenna to use fo
•
•
•
Use manual diversity control (ANT 1 or ANT 2), if there is only one antenna
connected to the appliance.
F
ragmentation
Type the smallest IP packet size (in bytes) t
T
hreshold
be split into smaller fragments.
If you are experiencing significant radio interference, set the threshold to a
low value (around 1000
throughput.
Other
ov
T
174
ystem. To provide antenna diversity, each wireless
Automatic. The NetDefend firewall receives signals through both
antennas and automatically selects the antenn
distortion signal to use for communicating. The
made on a per-station bas
ANT 1. The ANT 1antenna is a
ANT 2. The ANT 2 antenna is always used for communicating.
), to reduce error penalty and increase overall
wise, set the thresho
erhead.
he default value is 2346.
r communicating with wireless stations:
is. This is the default.
lways used for communicating.
hat requires that the IP packet
ld to a high value (around 2000), to reduce
D-Link NetDefend firewall User Guide
a with the lowest
selection is