Private-Vlan - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

private-vlan

To configure private VLANs and the association between a private VLAN and a secondary VLAN, use
the private-vlan command. To return to the default value, use the no form of this command.
Syntax Description isolated
community
twoway-community
primary
association
secondary-vlan-list
add
remove
Defaults Private VLANs are not configured.
Command Modes
VLAN configuration mode
Command History Release
12.1(8a)EW
12.1(12c)EW
12.2(20)EW
15.0(2)SG
Usage Guidelines You cannot configure VLAN 1 or VLANs 1001 to 1005 as private VLANs.
VTP does not support private VLANs. You must configure private VLANs on each device where you
want private VLAN ports.
OL-27596 -01
private-vlan {isolated | community | twoway-community | primary}
private-vlan association secondary-vlan-list [{add secondary-vlan-list} |
{remove secondary-vlan-list}]
no private-vlan {isolated | community | twoway-community | primary}
no private-vlan association
Designates the VLAN as an isolated private VLAN.
Designates the VLAN as the community private VLAN.
Designates the VLAN as a host port that belongs to a twoway-community
secondary VLAN
Designates the VLAN as the primary private VLAN.
Creates an association between a secondary VLAN and a primary VLAN.
Specifies the number of the secondary VLAN.
The list can contain only one isolated VLAN ID; it can also contain multiple
community or twoway-community VLAN IDs
(Optional) Associates a secondary VLAN to a primary VLAN.
(Optional) Clears the association between a secondary VLAN and a primary
VLAN.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Support for extended addressing was added.
Support for community VLAN was added.
Support for twoway-community was introduced.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
private-vlan
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