ZyXEL Communications ZyAIR Podręcznik Użytkownika Pobierz pdf (Strona 61)

ZyAIR B-3000 User’s Guide

Chapter 6 Wireless LAN 60

Choose Channel

Set the operating frequency/channel depending on your particular region.

To manually set the ZyAIR to use a channel, select a channel from the drop-down

list box. Click MAINTENANCE and then the Channel Usage tab to open the

Channel Usage screen to make sure the channel is not already used by another AP

or independent peer-to-peer wireless network.

To have the ZyAIR automatically select a channel, click Scan instead.

Refer to the Wizard Setup chapter for more information on channels.

Scan Click this button to have the ZyAIR automatically scan for and select a channel with

the least interference.

RTS/CTS

Threshold

(Request To Send) The threshold (number of bytes) for enabling RTS/CTS

handshake. Data with its frame size larger than this value will perform the RTS/CTS

handshake. Setting this attribute to be larger than the maximum MSDU (MAC

service data unit) size turns off the RTS/CTS handshake. Setting this attribute to

zero turns on the RTS/CTS handshake. Enter a value between 0 and 2432.

Fragmentation

Threshold

The threshold (number of bytes) for the fragmentation boundary for directed

messages. It is the maximum data fragment size that can be sent. Enter a value

between 800 and 2432.

WEP Encryption WEP (Wired Equivalent Privacy) provides data encryption to prevent unauthorized

wireless stations from accessing data transmitted over the wireless network.

Select Disable to allow wireless stations to communicate with the access points

without any data encryption.

Select 64-bit WEP or 128-bit WEP to enable data encryption.

Authentication

Method

Select Auto, Open System or Shared Key from the drop-down list box.

Key 1 to Key 4 If you chose 64-bit WEP in the WEP Encryption field, then enter any 5 characters

(ASCII string) or 10 hexadecimal characters ("0-9", "A-F") preceded by 0x for each

key.

If you chose 128-bit WEP in the WEP Encryption field, then enter 13 characters

(ASCII string) or 26 hexadecimal characters ("0-9", "A-F") preceded by 0x for each

key.

There are four data encryption keys to secure your data from eavesdropping by

unauthorized wireless users. The values for the keys must be set up exactly the

same on the access points as they are on the wireless stations.

The preceding “0x” is entered automatically. You must configure all four keys, but

only one key can be activated at any one time. The default key is key 1.

Enable Intra-

BSS Traffic

Intra-BSS traffic is traffic between wireless stations in the same BSS. Select this

check box to enable Intra-BSS traffic.

Enable

Breathing LED

Select this check box to enable the Breathing LED, also known as the ZyAIR LED.

The blue ZyAIR LED is on when the ZyAIR is on and blinks (or breaths) when data is

being transmitted to/from its wireless stations.

Clear the check box to turn this LED off even when the ZyAIR is on and data is being

transmitted/received.

Enable

Spanning Tree

Protocol (STP)

Select the check box to activate STP on the ZyAIR.

(R)STP detects and breaks network loops and provides backup links between

switches, bridges or routers. It allows a bridge to interact with other (R)STP -

compliant bridges in your network to ensure that only one path exists between any

two stations on the network. Select the check box to activate STP on the ZyAIR.

Number of

Wireless

Stations Allowed

Use this field to set a maximum number of wireless stations that may connect to the

ZyAIR.

Enter the number (from 1 to 32) of wireless stations allowed.

Table 11 Wireless: Access Point

LABEL DESCRIPTION

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 220 221

ZyXEL Communications ZyAIR Podręcznik Użytkownika Strona 61

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