3GPP 23.501 v20.2.0 — the document's own text

5.28.3.3 VLAN Configuration Information for TSN

Taught in 22. Clocks, TSN and deterministic delivery (The 5G system architecture, in depth).

The CNC obtains the 5GS bridge VLAN configuration from TSN AF according to clause 12.10.1.1 of IEEE Std 802.1Q [98]. The TSN AF and UPF/NW-TT are pre-configured with same 5GS bridge VLAN configuration.

NOTE: In this Release, the VLAN Configuration Information are pre-configured at the TSN AF and the NW-TT and is not exchanged between the TSN AF and the UPF/NW-TT.