DSCP

Differentiated services code point — the traffic class.

Reading a capture

Worth comparing against the TID in the QoS Control field several lanes up. They are two independent markings of the same traffic, and whether they agree is a real question in a WLAN carrying voice.

Where it sits

IPv4 Datagram > DSCP

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

RFC 2474

Verified

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