Cisco WS-C3560V2-24TS-E Command Reference - Page 349
private-vlan
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands private-vlan private-vlan Use the private-vlan VLAN configuration command to configure private VLANs and to configure the association between private-VLAN primary and secondary VLANs. Use the no form of this command to return the VLAN to normal VLAN configuration. private-vlan {association [add | remove] secondary-vlan-list | community | isolated | primary} no private-vlan {association | community | isolated | primary} Syntax Description association secondary-vlan-list add remove community isolated primary Create an association between the primary VLAN and a secondary VLAN. Specify one or more secondary VLANs to be associated with a primary VLAN in a private VLAN. Associate a secondary VLAN to a primary VLAN. Clear the association between a secondary VLAN and a primary VLAN. Designate the VLAN as a community VLAN. Designate the VLAN as a community VLAN. Designate the VLAN as a community VLAN. Defaults The default is to have no private VLANs configured. Command Modes VLAN configuration Command History Release 12.2(20)SE Modification This command was introduced. Usage Guidelines Before configuring private VLANs, you must disable VTP (VTP mode transparent). After you configure a private VLAN, you should not change the VTP mode to client or server. VTP does not propagate private-VLAN configuration. You must manually configure private VLANs on all switches in the Layer 2 network to merge their Layer 2 databases and to prevent flooding of private-VLAN traffic. You cannot include VLAN 1 or VLANs 1002 to 1005 in the private-VLAN configuration. Extended VLANs (VLAN IDs 1006 to 4094) can be configured in private VLANs. 78-16405-05 Catalyst 3560 Switch Command Reference 2-317