Airlink101 AP421W User Manual page 37

Fragmentation Length: This value should remain at its default setting of 2346. The
range is 256-2346 bytes. It specifies the maximum size for a packet before data is
fragmented into multiple packets. A smaller setting means smaller packets, which will
create more packets for each transmission. Setting the Fragmentation Threshold too
small may result in poor network performance. Only minor modifications of this value
are recommended.
DTIM Interval: The default value is 1. This value, between 1 and 255 milliseconds,
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 Access Point 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.
Click Apply to save the changes.
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