Licensing Requirements and Limitations for VLAN Mapping

Involved Network Element

Other network elements are not required.

Licensing Requirements

VLAN mapping is a basic function of the switch, and as such is controlled by the license for basic software functions. The license for basic software functions has been loaded and activated before delivery. You do not need to manually activate it.

Version Requirements

For details about the mapping between software versions and switch models, see the Hardware Query Tool.

Software version evolution: V100R001C00 -> V100R002C00 -> V100R003C00 -> V100R003C10 -> V100R005C00 -> V100R005C10 -> V100R006C00 -> V200R001C00 -> V200R002C50 -> V200R003C00 -> V200R005C00 -> V200R005C10 -> V200R019C00 -> V200R019C10

Feature Limitations

• VLAN-based VLAN mapping can only be configured on a trunk or hybrid interface, and the interface must be added to the VLAN after mapping in tagged mode.
• When an interface receives double-tagged packets, the TPID in the inner tag must be 0x8100. Otherwise, mapping of the inner tag does not take effect.
• Before configuring VLAN-based VLAN mapping, do not enable TRILL on the interface.
• If forwarding resources exceed the specifications, VLAN mapping can be configured. However, after the device restarts, the invalid VLAN mapping configuration may become valid and valid VLAN mapping configuration may become invalid.
• If VLAN mapping is configured on an interface corresponding to the VLAN, VBST negotiation for this VLAN will fail.
• In earlier versions of V100R005C10, VLAN mapping and EVN cannot be configured simultaneously.
• VLAN mapping cannot be used with IGMP or IGMP snooping.
• Starting from V200R003C00, for the CE12800 series switches, when original packets carry three VLAN tags and the device is configured with IPv6 VXLAN and VLAN mapping, tags in forwarded packets are incorrect. Please deploy VLAN mapping on the neighboring device.
• In a dual-active VXLAN access scenario where QinQ termination sub-interfaces are configured, you cannot configure 2:1 VLAN mapping.

• For CE12800 series switches, The device allows packets from the VLAN after 1:1 VLAN mapping to be forwarded over the VPLS tunnel.

• DHCP snooping can only be configured with 1-to-1 VLAN mapping.

• If a traffic classifier references an ACL rule that matches the outer VLAN ID and the VLAN mapping function is configured:
  • For the CE12800: The translated VLAN ID after VLAN mapping is matched in the inbound direction, and the original VLAN ID before VLAN mapping is matched in the outbound direction.
  • For the CE12800E: The translated VLAN ID after VLAN mapping is matched in both the inbound and outbound directions.
• M-LAG cannot be configured together with VLAN Mapping or VLAN Stacking.