Cabletron Systems RoamAbout Betriebsanweisung PDF herunterladen (Seite 77)

Configuring Your Access Point 4-33

Access Point Installation Menu

[9] Module-Specific Options

[7] Set Wireless Configuration

[6] Set RTS Threshold

The default setting for medium reservation (OFF) works well in most networking

environments because it is normal behavior for RoamAbout stations to defer

transmissions when they sense that another RoamAbout device is using the wireless

medium for network communication.

The medium reservation mechanism enables you to improve wireless performance in

network environments where message collisions occur due to the so-called hidden

station problem.

Clients will send an RTS (Request To Send) prior to a long data packet and the AP will

respond with a CTS (Clear To Send) that clients will hear, causing them to hold off any

transmission.

The RTS/CTS exchange also performs a fast collision interference and a transmission

path check. If the CTS is not detected, a client can re-send an RTS sooner.

To enable this feature, you must set the RTS threshold to the packet size.

The following example shows the dialog associated with this option.

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Set RTS Threshold - RoamAbout Access Point

Current RTS Threshold : 2347

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Please enter the new RTS Threshold [range 0 - 2347]:

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Cabletron Systems RoamAbout Betriebsanweisung Seite 77