private-vlan mapping
To create a mapping between the primary and the secondary VLANs so that both VLANs share the same
primary VLAN switched virtual interface (SVI), use the private-vlan mapping interface configuration
command on a switch virtual interface (SVI). Use the no form of this command to remove private VLAN
mappings from the SVI.
private-vlan mapping [add| remove] secondary-vlan-list
no private-vlan mapping
Syntax Description
(Optional) Maps the secondary VLAN to the primary VLAN SVI.add
(Optional) Removes the mapping between the secondary VLAN and the
primary VLAN SVI.
remove
One or more secondary VLANs to be mapped to the primary VLAN SVI.
secondary-vlan-list
Command Default
No private VLAN SVI mapping is configured.
Command Modes
Interface configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SE
Usage Guidelines
The device must be in VTP transparent mode when you configure private VLANs.
The SVI of the primary VLAN is created at Layer 3.
Configure Layer 3 VLAN interfaces (SVIs) only for primary VLANs. You cannot configure Layer 3 VLAN
interfaces for secondary VLANs. SVIs for secondary VLANs are inactive while the VLAN is configured as
a secondary VLAN.
The secondary-vlan-list argument cannot contain spaces. It can contain multiple comma-separated items.
Each item can be a single private VLAN ID or a hyphenated range of private VLAN IDs. The list can contain
one isolated VLAN and multiple community VLANs.
Traffic that is received on the secondary VLAN is routed by the SVI of the primary VLAN.
A secondary VLAN can be mapped to only one primary SVI. If you configure the primary VLAN as a
secondary VLAN, all SVIs specified in this command are brought down.
If you configure a mapping between two VLANs that do not have a valid Layer 2 private VLAN association,
the mapping configuration does not take effect.
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
1025
private-vlan mapping
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