Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

private-vlanChapter 2Catalyst 3750-E and 3560-E Switch Cisco IOS Commandsprivate-vlanUse the private-vlan VLAN configuration command on the switch stack or on a standalone switch toconfigure private VLANs and to configure the association between private-VLAN primary andsecondary VLANs. Use the no form of this command to return the VLAN to normal VLANconfiguration.private-vlan {association [add | remove] secondary-vlan-list | community | isolated | primary}no private-vlan {association | community | isolated | primary}Syntax Descriptionassociationsecondary-vlan-listaddremovecommunityisolatedprimaryCreate an association between the primary VLAN and a secondary VLAN.Specify one or more secondary VLANs to be associated with a primaryVLAN 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.DefaultsThe default is to have no private VLANs configured.Command ModesVLAN configurationCommand HistoryRelease12.2(35)SE2ModificationThis command was introduced.Usage GuidelinesBefore configuring private VLANs, you must disable VTP (VTP mode transparent). After you configurea 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 onall switches in the Layer 2 network to merge their Layer 2 databases and to prevent flooding ofprivate-VLAN traffic.You cannot include VLAN 1 or VLANs 1002 to 1005 in the private-VLAN configuration. ExtendedVLANs (VLAN IDs 1006 to 4094) can be configured in private VLANs.2-450Catalyst 3750-E and 3560-E Switch Command ReferenceOL-9776-08