Cisco WAG310G User's Guide download pdf (Page 83)

Advanced Settings

3425-00669 Rev E 63

CTS Protection Mode—CTS (Clear-To-Send) Protection Mode’s default is Disabled.

Select Auto if you want the device to automatically use CTS Protection Mode when

your Wireless-G products are experiencing severe problems and are not able to

transmit to the device in an environment with heavy 802.11b traffic. This function

boosts the device’s ability to catch all Wireless-G transmissions but will severely

decrease performance.

Control TX Rate—The Control TX Rate should be set depending on the speed of

your wireless network. Select from a range of transmission speeds, or keep the

default, Auto. When the Auto setting is selected, the Gateway automatically uses the

fastest possible data rate and enables the Auto-Fallback feature, which negotiates the

best possible connection speed between the Gateway and a wireless device.

Wireless Afterburner—To improve wireless performance when the Gateway is used

with devices that support SpeedBooster, select Enable. Otherwise, keep the default,

Disable.

Beacon Interval—Enter a value between 1 and 65,535 milliseconds. The Beacon

Interval value indicates the frequency interval of the beacon. A beacon is a packet

broadcast by the Gateway to synchronize the wireless network(s). The default value

is 100.

DTIM Interval—This value, between 1 and 255, 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 Gateway 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, 2346, is recommended. If a network packet is smaller than

the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. The

Gateway 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 2346.

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Cisco WAG310G User's Guide Page 83