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Appendix E Wireless LANs
ZyWALL USG 100/200 Series User’s Guide
1055
An ESSID (ESS IDentification) uniquely identifies each ESS. All access points and
their associated wireless clients within the same ESS must have the same ESSID
in order to communicate.
Figure 671
Infrastructure WLAN
Channel
A channel is the radio frequency(ies) used by wireless devices to transmit and
receive data. Channels available depend on your geographical area. You may have
a choice of channels (for your region) so you should use a channel different from
an adjacent AP (access point) to reduce interference. Interference occurs when
radio signals from different access points overlap causing interference and
degrading performance.
Adjacent channels partially overlap however. To avoid interference due to overlap,
your AP should be on a channel at least five channels away from a channel that an
adjacent AP is using. For example, if your region has 11 channels and an adjacent
AP is using channel 1, then you need to select a channel between 6 or 11.
RTS/CTS
A hidden node occurs when two stations are within range of the same access
point, but are not within range of each other. The following figure illustrates a
hidden node. Both stations (STA) are within range of the access point (AP) or
Содержание ZyWALL USG 100 Series
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Страница 30: ...Table of Contents ZyWALL USG 100 200 Series User s Guide 30 ...
Страница 31: ...31 PART I User s Guide ...
Страница 32: ...32 ...
Страница 46: ...Chapter 2 Features and Applications ZyWALL USG 100 200 Series User s Guide 46 ...
Страница 64: ...Chapter 3 Web Configurator ZyWALL USG 100 200 Series User s Guide 64 ...
Страница 130: ...Chapter 7 Tutorials ZyWALL USG 100 200 Series User s Guide 130 Figure 74 Configuration Network Interface WLAN Add ...
Страница 186: ...Chapter 7 Tutorials ZyWALL USG 100 200 Series User s Guide 186 ...
Страница 223: ...Chapter 8 L2TP VPN Example ZyWALL USG 100 200 Series User s Guide 223 ...
Страница 224: ...Chapter 8 L2TP VPN Example ZyWALL USG 100 200 Series User s Guide 224 ...
Страница 225: ...225 PART II Technical Reference ...
Страница 226: ...226 ...
Страница 240: ...Chapter 9 Dashboard ZyWALL USG 100 200 Series User s Guide 240 ...
Страница 284: ...Chapter 10 Monitor ZyWALL USG 100 200 Series User s Guide 284 ...
Страница 348: ...Chapter 13 Interfaces ZyWALL USG 100 200 Series User s Guide 348 Figure 287 Configuration Network Interface VLAN Edit ...
Страница 358: ...Chapter 13 Interfaces ZyWALL USG 100 200 Series User s Guide 358 Figure 289 Configuration Network Interface Bridge Add ...
Страница 372: ...Chapter 13 Interfaces ZyWALL USG 100 200 Series User s Guide 372 ...
Страница 382: ...Chapter 14 Trunks ZyWALL USG 100 200 Series User s Guide 382 ...
Страница 398: ...Chapter 15 Policy and Static Routes ZyWALL USG 100 200 Series User s Guide 398 ...
Страница 412: ...Chapter 16 Routing Protocols ZyWALL USG 100 200 Series User s Guide 412 ...
Страница 432: ...Chapter 19 NAT ZyWALL USG 100 200 Series User s Guide 432 ...
Страница 437: ...Chapter 20 HTTP Redirect ZyWALL USG 100 200 Series User s Guide 437 ...
Страница 438: ...Chapter 20 HTTP Redirect ZyWALL USG 100 200 Series User s Guide 438 ...
Страница 460: ...Chapter 23 Authentication Policy ZyWALL USG 100 200 Series User s Guide 460 ...
Страница 478: ...Chapter 24 Firewall ZyWALL USG 100 200 Series User s Guide 478 ...
Страница 496: ...Chapter 25 IPSec VPN ZyWALL USG 100 200 Series User s Guide 496 Figure 359 Configuration VPN IPSec VPN VPN Gateway Edit ...
Страница 519: ...Chapter 25 IPSec VPN ZyWALL USG 100 200 Series User s Guide 519 ...
Страница 520: ...Chapter 25 IPSec VPN ZyWALL USG 100 200 Series User s Guide 520 ...
Страница 527: ...Chapter 26 SSL VPN ZyWALL USG 100 200 Series User s Guide 527 Figure 373 VPN SSL VPN Access Privilege Add Edit ...
Страница 534: ...Chapter 26 SSL VPN ZyWALL USG 100 200 Series User s Guide 534 ...
Страница 544: ...Chapter 27 SSL User Screens ZyWALL USG 100 200 Series User s Guide 544 ...
Страница 546: ...Chapter 28 SSL User Application Screens ZyWALL USG 100 200 Series User s Guide 546 ...
Страница 554: ...Chapter 29 SSL User File Sharing ZyWALL USG 100 200 Series User s Guide 554 ...
Страница 639: ...Chapter 34 IDP ZyWALL USG 100 200 Series User s Guide 639 ...
Страница 640: ...Chapter 34 IDP ZyWALL USG 100 200 Series User s Guide 640 ...
Страница 650: ...Chapter 35 ADP ZyWALL USG 100 200 Series User s Guide 650 Figure 449 Profiles Protocol Anomaly ...
Страница 661: ...Chapter 35 ADP ZyWALL USG 100 200 Series User s Guide 661 ...
Страница 662: ...Chapter 35 ADP ZyWALL USG 100 200 Series User s Guide 662 ...
Страница 694: ...Chapter 37 Content Filter Reports ZyWALL USG 100 200 Series User s Guide 694 ...
Страница 712: ...Chapter 38 Anti Spam ZyWALL USG 100 200 Series User s Guide 712 ...
Страница 734: ...Chapter 39 Device HA ZyWALL USG 100 200 Series User s Guide 734 ...
Страница 750: ...Chapter 40 User Group ZyWALL USG 100 200 Series User s Guide 750 ...
Страница 756: ...Chapter 41 Addresses ZyWALL USG 100 200 Series User s Guide 756 ...
Страница 768: ...Chapter 43 Schedules ZyWALL USG 100 200 Series User s Guide 768 ...
Страница 784: ...Chapter 45 Authentication Method ZyWALL USG 100 200 Series User s Guide 784 ...
Страница 806: ...Chapter 46 Certificates ZyWALL USG 100 200 Series User s Guide 806 ...
Страница 818: ...Chapter 48 SSL Application ZyWALL USG 100 200 Series User s Guide 818 ...
Страница 828: ...Chapter 49 Endpoint Security ZyWALL USG 100 200 Series User s Guide 828 ...
Страница 880: ...Chapter 50 System ZyWALL USG 100 200 Series User s Guide 880 ...
Страница 920: ...Chapter 54 Reboot ZyWALL USG 100 200 Series User s Guide 920 ...
Страница 922: ...Chapter 55 Shutdown ZyWALL USG 100 200 Series User s Guide 922 ...
Страница 942: ...Chapter 56 Troubleshooting ZyWALL USG 100 200 Series User s Guide 942 ...
Страница 954: ...Chapter 57 Product Specifications ZyWALL USG 100 200 Series User s Guide 954 ...
Страница 1126: ...Appendix F Open Software Announcements ZyWALL USG 100 200 Series User s Guide 1126 ...