A-MSDU Present

Set when the frame body holds several aggregated MSDUs rather than one.

Reading a capture

Changes what the layer below this one is. When set, the body is not a single MSDU but a sequence of A-MSDU subframes, each with its own header.

Where it sits

QoS Data MPDU > QoS Control > A-MSDU Present

• Open in the explorer — TCP over IPv4, in a protected QoS Data frame, aggregated
• Open in the explorer — Four-way handshake message 1
• Open in the explorer — Four-way handshake message 2
• Open in the explorer — Four-way handshake message 3
• Open in the explorer — Four-way handshake message 4
• Open in the explorer — ARP request in a QoS Data frame
• Open in the explorer — ICMP echo over IPv4, in a QoS Data frame
• Open in the explorer — UDP over IPv6, in a QoS Data frame
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame
• Open in the explorer — TCP over IPv4, in an open QoS Data frame
• Open in the explorer — UDP over IPv4, in a QoS Data frame

Accuracy

Clause

802.11-2024 §9.2.4.5.9

Verified

Not verified against the standard. Treat this as a claim, not a fact.