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The Advanced screen (Fig 4-6) allows you to set Fragmentation Threshold, the RTS/CTS
Threshold, and the Preamble Type. The Fragmentation Threshold Value indicates how much of
the network resources is devoted to recovering packet errors. The value should remain at its default
setting of 2,346. If you experience high packet error rates, you can decrease this value but it will
likely decrease overall network performance. Only minor modifications of this value are recom-
mended.
Fig 4-6
For Authentication Type, you may choose between Open System or Shared Key.
Shared Key is when both the sender and recipient share a secret key. Both units this key for
an extended length of time, sometimes indefinitely. Any eavesdropper that discovers the key may
decipher all packets unit the key is changed.
Open System the default setting, is when the sender and the recipient do not share a secret
key. Each party generates its own key-pair and asks the receiver to accept the (usually randomly)
generated key. Once accepted, this key is use for short time only: then a new key is generated and
agrees upon.
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