Operation Manual – Extended VLAN ApplicationH3C S7500 Series Ethernet Switches Chapter 3 Super VLAN3-4segment can forward the DHCP packets to each other, so as to assist the hosts in thesub VLANs to finish the dynamic configuration of IP address.I. Configuration Prerequisitesz Configure a super VLAN and sub VLANs, and establish the mapping between thesuper VLAN the sub VLANs.z Configure the IP address of the super VLAN to make the hosts in the sub VLANsbe able to communicate with the outside network.II. Configuration ProcedureTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interface viewof the super VLANinterface Vlan-interfacevlan-id —Configure the mappingbetween the interface andthe DHCP server groupdhcp-server groupNoRequiredBy default, the VLANinterface does notestablish mappingrelationship with anyDHCP server group.Note:z A super VLAN interface can only correspond to one DHCP server group.z The last configuration will take effect if you execute the dhcp-server groupNocommand for multiple times.z The DHCP server group specified by groupNo of the dhcp-server groupNocommand needs to be configured first by the dhcp-server ip command in systemview. Refer to the DHCP part of the manual.3.3 Displaying Super VLANTo do… Use the command… RemarksDisplay the mapping betweenthe super VLAN and the subVLANsdisplay supervlan[ supervlan-id ] Available in any view.