834 | Private VLANsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Place the Secondary VLANs in a Primary VLANA primary VLAN is a port-based VLAN that is specifically designated as a private VLAN. Doing soenables the VLAN to be divided into secondary VLANs.Private VLAN show CommandsStep Task Command Syntax Command Mode1 Access INTERFACE VLAN modefor the VLAN that you want to makethe primary VLAN.interface vlan vlan-id CONFIGURATION2 Designate a VLAN as a primaryVLAN.private-vlan mode primary INTERFACE VLAN3 Map secondary VLANs to theprimary VLAN.private-vlan mapping secondary-vlan vlan-list INTERFACE VLAN4 Add promiscuous ports as tagged oruntagged interfaces. Add trunk portsas tagged.{tagged | untagged} interface INTERFACE VLAN5 Enable Proxy ARPing on the primaryVLAN to enable Layer 3communication between hosts ondifferent secondary VLANs.ip local-proxy-arp INTERFACE VLANTable 39-1. Private VLAN CommandsTask Command Syntax Command ModeDisplay type and status of PVLAN interfaces. show interfaces private-vlan [interfaceinterface]EXEC PrivilegeDisplay PVLANs and/or interfaces that are partof a PVLAN.show vlan private-vlan [community |interface | isolated | primary | primary_vlan| interface interface]EXEC PrivilegeDisplay primary-secondary VLAN mapping. show vlan private-vlan mapping EXEC Privilege