Operation Manual – QoSH3C S7500 Series Ethernet Switches Chapter 1 QoS Configuration1-31Note:The inboundcar command is applicable to A-type LPUs only and can only take effectafter the switch is restarted.1.13.2 Configuration Procedure# Enable the inbound CAR feature. system-view[H3C] inboundcar enable1.14 Configuring Traffic-Based Selective QinQQinQ is to encapsulate the VLAN tags of the private network in the VLAN tags of thepublic network in order that the frames are transmitted through the backbone networkof the service provider network (also called public network). The traffic-based selectiveQinQ feature can tag a frame with an outer VLAN tag according to the ACL rule that theframe matches on the inbound port.The traffic-based selective QinQ feature is usually configured on the hybrid port of theedge device connecting the user device to the service provider network.1.14.1 Configuration Prerequisitesz ACL rules used for traffic identifying are defined. Refer to the ACL module in thismanual for defining ACL rules.z ID of the outer VLAN tag is specified.z The ports that needs this configuration are specified1.14.2 Configuration ProcedureFollow these steps to configure the traffic-based selective QinQ feature:To do… Use the command… RemarksEnter system view system-view —Create a VLAN vlan vlan-idThe vlan-id argument isthe ID of the outer VLANtag.Enter Ethernet port view interface interface-typeinterface-number —Configure the port as ahybrid port port link-type hybrid —
