VLAN Commands
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• To assign a promiscuous port or host port to an isolated VLAN, use the
switchport private-vlan isolated command.
Example
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: 1-4092, no leading zeroes).
Default Setting
None
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
All ports assigned to a secondary (i.e., community) VLAN can pass traffic
between group members, but must communicate with resources outside of the
group via promiscuous ports in the associated primary VLAN.
Example
switchport private-vlan isolated
Use this command to assign an interface to an isolated VLAN. Use the no form to
remove this assignment.
Syntax
switchport private-vlan isolated isolated-vlan-id
no switchport private-vlan isolated
isolated-vlan-id - ID of isolated VLAN. (Range: 1-4092).
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)#
Console(config)#interface ethernet 1/3
Console(config-if)#switchport private-vlan host-association 3
Console(config-if)#
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