1-5z You cannot enable one-to-one VLAN mapping on a link aggregation group member port.z When you configure a global one-to-one VLAN mapping rule and then enable one-to-one VLANmapping on a port, selective QinQ is automatically enabled on the port.Configuring a Port-Level One-to-One VLAN Mapping RuleFollow these steps to configure a port-level one-to-one VLAN mapping rule:To do… Use the command… RemarksEnter system view system-view —Enter Ethernet port view interface interface-typeinterface-number —Configure a port-level one-to-oneVLAN mapping rule and enableone-to-one VLAN mapping on theportvlan-mapping vlan old-vlan-idremark new-vlan-idRequiredBy default, no port-level one-to-oneVLAN mapping rule is configured,and one-to-one VLAN mapping isdisabled on all ports.z In a one-to-one VLAN mapping rule, one original VLAN can be mapped to only one target VLAN,and vice versa.z To modify a one-to-one VLAN mapping rule, delete the rule and then define a new one.z A global one-to-one VLAN mapping rule is mutually exclusive with a port-level one-to-one VLANmapping rule.z To use one-to-one VLAN mapping together with ARP detection properly, enable ARP detection inboth the original VLAN and target VLAN. For more information about ARP detection, see ARPConfiguration.Configuring Many-to-One VLAN MappingConfiguring a Many-to-One VLAN Mapping RuleFollow these steps to configure a global many-to-one VLAN mapping ruleTo do… Use the command… RemarksEnter system view system-view —Enter Ethernet port view of thedownlink portinterface interface-typeinterface-number —
