VLAN restrictions

  • A port must be a member of at least one VLAN. In the factory default configuration, all ports are assigned to the default VLAN (DEFAULT_VLAN; VID=1).

  • A port can be a member of one untagged, port-based VLAN. All other port-based VLAN assignments for that port must be tagged. The "Untagged" designation enables VLAN operation with non 802.1Q-compliant devices.

  • A port can be an untagged member of one protocol-based VLAN of each protocol type. When assigning a port to multiple, protocol-based VLANs sharing of the same type, note that the port can be an untagged member of only one such VLAN.

  • With routing enabled on the switch, the switch can route traffic between:

    • Multiple, port-based VLANs

    • A port-based VLAN and an IPv4 protocol-based VLAN

    • A port-based VLAN and an IPv6 protocol-based VLAN

    • An IPv4 protocol-based VLAN and an IPv6 protocol VLAN

    Other, routable, protocol-based VLANs must use an external router to move traffic between VLANs. With routing disabled, all routing between VLANs must be through an external router.

  • Before deleting a static VLAN, you must first re-assign all ports in the VLAN to another VLAN. You can use the no vlan vid command to delete a static VLAN.

  • Protocol-based VLANs, port-based VLANs and LLDP radio port VLANs cannot run concurrently with RPVST+.