704 | 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 Creating a Community VLANA community VLAN is a secondary VLAN of the primary VLAN in a private VLAN. The ports in acommunity VLAN can talk to each other and with the promiscuous ports in the primary VLAN.Creating an Isolated VLANAn isolated VLAN is a secondary VLAN of a primary VLAN. Its ports can only talk with the promiscuousports in that primary VLAN.Figure 33-2 shows the use of the PVLAN commands that are used in VLAN INTERFACE mode toconfigure the PVLAN member VLANs (primary, community, and isolated VLANs):Step Command Syntax Command Mode Purpose1 interface vlan vlan-id CONFIGURATION Access the INTERFACE VLAN mode for the VLAN thatyou want to make a community VLAN.2 no shutdown INTERFACE VLAN Enable the VLAN.3 private-vlan modecommunityINTERFACE VLAN Set the PVLAN mode of the selected VLAN to community.4 tagged interfaceoruntagged interfaceINTERFACE VLAN Add one or more host ports to the VLAN. The interfacescan be entered singly or in range format, eithercomma-delimited (slot/port,port,port) or hyphenated (slot/port-port).Only host (isolated) ports can be added to the VLAN.Step Command Syntax Command Mode Purpose1 interface vlan vlan-id CONFIGURATION Access the INTERFACE VLAN mode for the VLAN thatyou want to make an isolated VLAN.2 no shutdown INTERFACE VLAN Enable the VLAN.3 private-vlan modeisolatedINTERFACE VLAN Set the PVLAN mode of the selected VLAN to isolated.4 tagged interfaceoruntagged interfaceINTERFACE VLAN Add one or more host ports to the VLAN. The interfacescan be entered singly or in range format, eithercomma-delimited (slot/port,port,port) or hyphenated (slot/port-port).Only ports defined as host can be added to the VLAN.
