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Wireless-G Broadband Router with 2 Phone Ports
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Chapter 5: Configuring the Router
The Wireless Tab - Advanced Wireless Settings
Power Level. You can adjust the output power of the Router to get the appropriate coverage for your wireless
network. Select the percentage of power you need for your environment. If you are not sure which setting to
select, then keep the default setting, Full.
Beacon Interval. The Beacon Interval value indicates the frequency interval of the beacon. A beacon is a packet
broadcast by the Router to synchronize the wireless network. The default value is 100.
DTIM Interval. This 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 Router 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 3.
Fragmentation Length. 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 Length 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 Router 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. In most cases, keep the default value, 2347.
When you have finished making changes on this screen, click the Save Settings button to save the changes, or
click the Cancel Changes button to undo your changes.
rts (request to send): a networking
method of coordinating large packets
through the RTS Threshold setting.
dtim: a message included in data
packets that can increase wireless
efficiency.
fragmentation: breaking a packet
into smaller units when
transmitting over a network
medium that cannot support the
original size of the packet.