ZyXEL Communications Prestige 661H Series, Руководство пользователя

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Prestige 661H/HW Series User’s Guide
Chapter 6 Wireless LAN (Prestige 661HW) 86
Note: If you are configuring the Prestige from a computer connected to the wireless
LAN and you change the Prestige’s ESSID or security settings (see
Figure 24
on page 84 ), you will lose your wireless connection when you press Apply to
confirm. You must then change the wireless settings of your computer to match
the Prestige’s new settings.
RTS/CTS
Threshold
The RTS (Request To Send) threshold (number of bytes) is for enabling RTS/CTS.
Data with its frame size larger than this value will perform the RTS/CTS handshake.
Setting this value to be larger than the maximum MSDU (MAC service data unit)
size turns off RTS/CTS. Setting this value to zero turns on RTS/CTS.
Select the check box to change the default value and enter a new value between 0
and 2432.
Fragmentation
Threshold
This is the threshold (number of bytes) for the fragmentation boundary for directed
messages. It is the maximum data fragment size that can be sent.
Select the check box to change the default value and enter a value between 256
and 2432.
You won’t see the following WEP-related fields if you have WPA or WPA-PSK enabled.
Passphrase Enter a "passphrase" (password phrase) of up to 63 case-sensitive printable
characters and click Generate to have the Prestige create four different WEP keys.
At the time of writing, you cannot use passphrase to generate 256-bit WEP keys.
Generate After you enter the passphrase, click Generate to have the Prestige generate four
different WEP keys automatically. The keys display in the fields below.
WEP Encryption WEP (Wired Equivalent Privacy) encrypts data frames before transmitting over the
wireless network.
Select
Disable to allow all wireless stations to communicate with the access points
without any data encryption.
Select
64-bit WEP , 128-bit WEP or 256-bit WEP to use data encryption.
Key 1 to Key 4 The WEP keys are used to encrypt data. Both the Prestige and the wireless stations
must use the same WEP key for data transmission.
If you want to manually set the WEP keys, enter the key in the field provided.
If you chose
64-bit WEP , then enter any 5 ASCII characters or 10 hexadecimal
characters ("0-9", "A-F").
If you chose
128-bit WEP , then enter 13 ASCII characters or 26 hexadecimal
characters ("0-9", "A-F").
If you chose
256-bit WEP , then enter 29 ASCII characters or 58 hexadecimal
characters ("0-9", "A-F").
The values for the WEP keys must be set up exactly the same on all wireless
devices in the same wireless LAN.
You must configure all four keys, but only one key can be used at any one time. The
default key is key 1.
Back Click Back to go to the main wireless LAN setup screen.
Apply Click Apply to save your changes back to the Prestige.
Cancel Click Cancel to begin configuring this screen afresh.
Table 16 Wireless LAN (continued)
LABEL DESCRIPTION