Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
private-vlan synchronize
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Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
OL-23890-01
private-vlan synchronize
To map the secondary VLANs to the same instance as the primary VLAN, use the private-vlan
synchronize command in MST configuration submode.
private-vlan synchronize
Syntax Description This command has no arguments or keywords.
Defaults The secondary VLANs are not mapped to the same instance as the primary VLAN.
Command Modes MST configuration (config-mst)
Command History
Usage Guidelines If you do not map VLANs to the same instance as the associated primary VLAN when you exit the Multiple
Spanning Tree (802.1s) (MST) configuration submode, a warning message displays and lists the
secondary VLANs that are not mapped to the same instance as the associated primary VLAN. The
private-vlan synchronize command automatically maps all secondary VLANs to the same instance as
the associated primary VLANs.
Examples This example assumes that a primary VLAN 2 and a secondary VLAN 3 are associated to VLAN 2, and that
all VLANs are mapped to the Common and Internal Spanning Tree (CIST) instance 1. This example also
shows the output if you try to change the mapping for the primary VLAN 2 only:
Router(config)# spanning-tree mst configuration
Router(config-mst)# instance 1 vlan 2
Router(config-mst)# exit
These secondary vlans are not mapped to the same instance as their primary:
-> 3
This example shows how to initialize private VLAN (PVLAN) synchronization:
Router(config-mst)# private-vlan synchronize
Router(config-mst)#
Release Modification
12.2(14)SX Support for this command was introduced on the Supervisor Engine 720.
12.2(17d)SXB Support for this command on the Supervisor Engine 2 was extended to
Release 12.2(17d)SXB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.
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