Traffic Class

Network 8 bits IPv6 packet unverified

Six bits of differentiated services code point and two of explicit congestion notification — the same split as IPv4's DSCP and ECN.

Reading a capture

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

Where it sits

IPv6 Packet > Traffic Class

Open in the explorer — UDP over IPv6, in a QoS Data frame

Accuracy

Clause: RFC 8200 §3
Verified: Not verified against the standard. Treat this as a claim, not a fact.