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When set, the OID_802_11_FRAGMENTATION_THRESHOLD OID requests that the miniport driver set the NIC's packet fragmentation threshold to a specified value. The fragmentation threshold, which is specified in bytes, determines whether packets will be fragmented and at what size. On an 802.11 wireless LAN, packets that are larger than the fragmentation threshold are fragmented. Packets that are smaller than the specified fragmentation threshold value are not fragmented. A fragmentation threshold of zero indicates that the NIC should not fragment packets.
When queried, this OID requests the miniport driver to return the fragmentation threshold setting.
The fragmentation threshold is defined as follows:
typedef ULONG NDIS_802_11_FRAGMENTATION_THRESHOLD;