Operation Manual – VLAN-VPNH3C S5600 Series Ethernet Switches Chapter 2 Selective QinQ Configuration2-5Note:Do not enable both the selective QinQ function and the DHCP snooping function on aswitch. Otherwise, the DHCP snooping function may operate improperly.2.2.3 Enabling the Inter-VLAN MAC Address Replicating FeatureFollow these steps to enable the inter-VLAN MAC address replicating feature:To do... Use the command... RemarksEnter system view system-view —Enable theinter-VLAN MACaddress replicatingfeaturemac-address-mapping indexsource-vlan source-vlan-id-listdestination-vlan dest-vlan-idRequiredBy default, theinter-VLAN MACaddress replicatingfeature is disabled.Caution:z On a port, the inter-VLAN MAC address replicating feature can be configured onlyonce for a destination VLAN. If the configuration needs to be modified, you need toremove the existing configuration first.z With the inter-VLAN MAC address replicating feature disabled, all the MAC addressentries that the destination VLAN learns from the other VLANs through this functionare removed.z MAC address entries obtained through the inter-VLAN MAC address replicatingfeature cannot be removed manually. To remove a MAC address entry of this kind,you need to disable the inter-VLAN MAC address replicating feature first.z VLAN 4093 is a special VLAN reserved for the IRF fabric feature. It can not serve asthe destination VLAN of the inter-VLAN MAC address replicating feature to receiveMAC address entries from the other VLANs.2.3 Selective QinQ Configuration Example2.3.1 Processing Private Network Packets by Their TypesI. Network requirementsz GigabitEthernet 1/0/3 of Switch A provides public network access for PC usersand IP phone users. PC users belong to VLAN 100 through VLAN 108, and IP
