Configuring VLAN tagging on layer 2 / 3 involves the definition of the general routing settings and the behavior upon receipt and transmission of tagged packets.
LANconfig:
Command line:
- Interpret the type-of-service field
- The TOS / DiffServ field is regarded as a TOS field; the bits 'low delay' and 'high reliability' are evaluated.
- Consider the DiffServ field in IP packets
- The TOS / DiffServ field is regarded as a DiffServ field. After evaluating the precedence, packets with the code points AFxx are saved and packets with the code points EF receive preferential treatment. All other packets are transmitted as normal.
- DiffServ tags from Layer 2
- The setting for Layer2-Layer3 tagging regulates the behavior when a data packet is received.
- Ignore
- VLAN tags are ignored.
- Copy to layer 3
- Priority bits in the VLAN tag are always copied to the precedence of the DSCP.
- Copy automatically
- Priority bits in the VLAN tag are only copied to the DSCP precedence if this is '000'.
- Copy DiffServ tags from layer 3 to layer 2
- The setting for Layer3-Layer2 tagging regulates the behavior when a data packet is transmitted. With this option enabled, VLAN tags with priority bits originating from the DSCP precedence are generated if the recipient has sent at least one tagged packet.
