Chapter 8 Wireless Screen
NWA-3166 User’s Guide
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SSID
The SSID (Service Set IDentifier) identifies the Service Set with which a wireless
station is associated. Wireless stations associating to the access point (AP) must
have the same SSID.
Normally, the ZyXEL Device acts like a beacon and regularly broadcasts the SSID
in the area. You can hide the SSID instead, in which case the ZyXEL Device does
not broadcast the SSID. In addition, you should change the default SSID to
something that is difficult to guess.
This type of security is fairly weak, however, because there are ways for
unauthorized wireless devices to get the SSID. In addition, unauthorized wireless
devices can still see the information that is sent in the wireless network.
Channel
A channel is the radio frequency(ies) used by IEEE 802.11a/b/g/n wireless
devices. Channels available depend on your geographical area. You may have a
choice of channels (for your region) so you should use a different channel than an
adjacent AP (access point) to reduce interference.
Wireless Mode
The IEEE 802.1x standard was designed to extend the features of IEEE 802.11 to
support extended authentication as well as providing additional accounting and
control features. Wireless Mode supports 802.11b/g, 802.11a, 802.11n/g and
802.11n/a.
MBSSID
Traditionally, you needed to use different APs to configure different Basic Service
Sets (BSSs). As well as the cost of buying extra APs, there was also the possibility
of channel interference. The NWA’s MBSSID (Multiple Basic Service Set IDentifier)
function allows you to use one access point to provide several BSSs
simultaneously. You can then assign varying levels of privilege to different SSIDs.
Wireless stations can use different BSSIDs to associate with the same AP.
The following are some notes on multiple BSS.
• A maximum of eight BSSs are allowed on one AP simultaneously.
• You must use different WEP keys for different BSSs. If two stations have
different BSSIDs (they are in different BSSs), but have the same WEP keys,
they may hear each other’s communications (but not communicate with each
other).
Содержание NWA-3166
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Страница 15: ...15 PART I Introduction Introduction 17 The Web Configurator 29 Tutorials 33 ...
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Страница 32: ...Chapter 2 The Web Configurator NWA 3166 User s Guide 32 ...
Страница 64: ...Chapter 3 Tutorials NWA 3166 User s Guide 64 ...
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Страница 70: ...Chapter 4 Status Screen NWA 3166 User s Guide 70 ...
Страница 122: ...Chapter 8 Wireless Screen NWA 3166 User s Guide 122 ...
Страница 128: ...Chapter 9 SSID Screen NWA 3166 User s Guide 128 ...
Страница 158: ...Chapter 14 IP Screen NWA 3166 User s Guide 158 ...
Страница 166: ...Chapter 15 Rogue AP Detection NWA 3166 User s Guide 166 ...
Страница 186: ...Chapter 17 Internal RADIUS Server NWA 3166 User s Guide 186 ...
Страница 213: ...Chapter 19 Log Screens NWA 3166 User s Guide 213 ...
Страница 214: ...Chapter 19 Log Screens NWA 3166 User s Guide 214 ...
Страница 235: ...Chapter 20 VLAN NWA 3166 User s Guide 235 ...
Страница 236: ...Chapter 20 VLAN NWA 3166 User s Guide 236 ...
Страница 270: ...Appendix B Wireless LANs NWA 3166 User s Guide 270 ...
Страница 300: ...Appendix D IP Addresses and Subnetting NWA 3166 User s Guide 300 ...
Страница 308: ...Appendix E Text File Based Auto Configuration NWA 3166 User s Guide 308 ...
Страница 314: ...Appendix F How to Access and Use the CLI NWA 3166 User s Guide 314 ...
Страница 326: ...Appendix H Customer Support NWA 3166 User s Guide 326 ...
Страница 332: ...Index NWA 3166 User s Guide 332 ...