Version

Always 6 here.

Reading a capture

In the same place as IPv4's version nibble, deliberately — the first four bits of the packet tell a parser which of the two it is holding.

Where it sits

IPv6 Packet > Version

• 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.