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Wireless Tab / Advanced Wireless Settings


This screen is used to set up the advanced wireless functions. These settings should only be adjusted by an expert administrator as incorrect settings can reduce wireless performance.
 
 

N Transmission Rate

The rate of data transmission should be set depending on the speed of your Wireless-N networking. Select from a range of transmission speeds, or select Auto to have the device automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection speed between the device and a wireless client. The default setting is Auto.

CTS Protection Mode

CTS (Clear-To-Send) Protection Mode boosts the device's ability to catch all wireless transmissions, but will severely decrease performance. Select Auto if you want the device to use this feature as needed, when the Wireless-N/G products are not able to transmit to the device in an environment with heavy 802.11b traffic. Select Disable if you want to permanently disable this feature.
 
 

Beacon Interval

The Beacon Interval value indicates the frequency interval of the beacon. A beacon is a packet broadcast by the device to synchronize the wireless network. The default value is 100.

DTIM Interval

This value indicates the interval of the Delivery Traffic Indication Message (DTIM). A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages. When the device has buffered broadcast or multicast messages for associated clients, it sends the next DTIM with a DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast and multicast messages. The default value is 1.

Fragmentation Threshold

This value specifies the maximum size for a packet before data is fragmented into multiple packets. If you experience a high packet error rate, you may slightly increase the Fragmentation Threshold. Setting the Fragmentation Threshold too low may result in poor network performance. Only minor reduction of the default value is recommended. In most cases, it should remain at its default value of 2346.

RTS Threshold

Should you encounter inconsistent data flow, only minor reduction of the default value, 2347, is recommended. If a network packet is smaller than the preset RTS Threshold size, the RTS/CTS mechanism will not be enabled. The device sends Request to Send (RTS) frames to a particular receiving station and negotiates the sending of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS) frame to acknowledge the right to begin transmission. The RTS Threshold value should remain at its default value of 2347.
 

Click the Save Settings button to apply your changes or the Cancel Changes button to cancel.