1-5QinQ Configuration Task ListTable 1-2 QinQ configuration task listConfiguration task RemarksConfiguring Basic QinQ OptionalConfiguring Selective QinQ Configuring an Outer VLAN Tagging Policy OptionalConfiguring the TPID Value in VLAN Tags Optionalz QinQ requires configurations only on the service provider network, not on the customer network.z QinQ configurations made in Ethernet interface view take effect on the current interface only; thosemade in Layer-2 aggregate interface view take effect on the current aggregate interface and all themember ports in the aggregation group; those made in port group view take effect on all memberports in the current port group.z Basic and selective QinQ should both be configured on the ports connecting customer networks.z Do not configure QinQ on a reflector port. For information about reflector ports, refer to PortMirroring Configuration in the Access Volume.Configuring Basic QinQEnabling Basic QinQFollow these steps to enable basic QinQ:To do... Use the command... RemarksEnter system view system-view —Enter Ethernet orLayer-2 aggregateinterface viewinterface interface-typeinterface-numberEnterinterfaceview or portgroup view Enter port group view port-group manualport-group-nameRequiredUse either command.Enable QinQ on the port(s) qinq enable RequiredDisabled by default.Configuring Selective QinQConfiguring an Outer VLAN Tagging PolicyBasic QinQ can only tag received frames with the default VLAN tag of the receiving port, while selectiveQinQ allows adding different outer VLAN tags based on different inner VLAN tags.H3C S5120-EI series switches support the configuration of basic QinQ and selective QinQ at the sametime on a port and when the two features are both enabled on the port, frames that meet the selective
