Layer 2 Switching Commands 820
Command Mode
Interface Configuration (physical or port-channel)
User Guidelines
Do not configure private VLANs on ports configured with any of these
features:
• Link Aggregation Control Protocol (LACP)
• Multicast VLAN Registration (MVR)
• Voice VLAN
It is recommended that the private VLAN host ports be configured as
spanning-tree portfast.
Example
console(config)#interface gigabitethernet 1/0/8
console(config-if-Gi1/0/8)#switchport mode private-vlan host
switchport private-vlan
Use the switchport private-vlan command in Interface Configuration mode
to define a private VLAN association for an isolated or community port or a
mapping for a promiscuous port.
Use the no form of the command to remove the private VLAN association or
mapping from the interface.
Syntax
switchport private-vlan {host-association primary-vlan-id secondary-vlan-id
| mapping primary-vlan-id [add|remove] secondary-vlan-list}
no switchport private-vlan {host-association|mapping}
• host-association—Defines VLAN associations for community or host
ports.
• mapping—Defines the private VLAN mapping for promiscuous ports.
• primary-vlan-id—Primary VLAN ID of a private VLAN.
• secondary-vlan-id—Secondary (isolated or community) VLAN ID of a
private VLAN.
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