When deploying long-distance 802.11 bridge links (10 miles / 16 km), what parameter may be critical for improving data flow by reducing retries caused by the long distances?
In long-distance 802.11 bridge links, the default acknowledgment (ACK) timeout settings are typically configured for short-range communications. However, over extended distances, the propagation delay increases, and if the ACK timeout is not adjusted accordingly, the sender may retransmit frames unnecessarily, thinking the ACK was lost. By increasing the ACK timeout threshold to accommodate the longer propagation delay, you can reduce unnecessary retransmissions, thereby improving data flow and overall link performance.
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[Reference: CWDP-305 Official Study Guide, Chapter on Infrastructure Design, , ]
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