ExtIV

Always 1 for CCMP, indicating the extended IV octets are present.

Where it sits

Protected Frame Body > CCMP Header > Key ID octet > ExtIV

• Open in the explorer — TCP over IPv4, in a protected QoS Data frame, aggregated
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame

Accuracy

Clause

802.11-2024 §12.5.3.2

Verified

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