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4
Command Line Interface
switchport mode private-vlan
Use this command to set the private VLAN mode for an interface. Use the no form to
restore the default setting.
Syntax
switchport mode private-vlan {host | promiscuous}
no switchport mode private-vlan
• host – This port type can subsequently be assigned to a community VLAN.
• promiscuous – This port type can communicate with all other promiscuous
ports in the same primary VLAN, as well as with all the ports in the
associated secondary VLANs.
Default Setting
Normal VLAN
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
To assign a promiscuous port to a primary VLAN, use the switchport
private-vlan mapping command. To assign a host port to a community VLAN,
use the private-vlan host association command.
Example
Console(config)#interface ethernet 1/2
Console(config-if)#switchport mode private-vlan promiscuous
Console(config-if)#exit
Console(config)#interface ethernet 1/3
Console(config-if)#switchport mode private-vlan host
Console(config-if)#
switchport private-vlan host-association
Use this command to associate an interface with a secondary VLAN. Use the no
form to remove this association.
Syntax
switchport private-vlan host-association secondary-vlan-id
no switchport private-vlan host-association
secondary-vlan-id - ID of secondary (i.e., community) VLAN.
(Range: 1-4094, no leading zeroes).
Default Setting
None
Command Mode
Interface Configuration (Ethernet, Port Channel)
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