Security - Draytek Vigor2920 User Manual

Long Preamble
3 . 5 . 3 S e c
3 . 5 . 3 S e c
By clicking the Security Settings, a new web page will appear so that you could configure the
settings of WEP and WPA.
Mode
Vigor2920 Series User's Guide
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u r i t y
u r i t y
see any thing about Vigor wireless router while site
surveying. The system allows you to set four sets of SSID
for different usage. In default, the first set of SSID will be
enabled. You can hide it for your necessity.
This option is to define the length of the sync field in an
802.11 packet. Most modern wireless network uses short
preamble with 56 bit sync field instead of long preamble
with 128 bit sync field. However, some original 11b
wireless network devices only support long preamble.
Check it to use Long Preamble if needed to communicate
with this kind of devices.
There are several modes provided for you to choose.
Disable - Turn off the encryption mechanism.
WEP-Accepts only WEP clients and the encryption key
should be entered in WEP Key.
WPA/PSK-Accepts only WPA clients and the encryption
key should be entered in PSK.
WPA2/PSK-Accepts only WPA2 clients and the
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