C
HAPTER
36
| VLAN Commands
Configuring Private VLANs
– 855 –
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 switchport 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: 1-4093, 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
Console(config)#interface ethernet 1/3
Console(config-if)#switchport private-vlan host-association 3
Console(config-if)#
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