Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
private-vlan synchronize
private-vlan sync hronize
To map the secondary VLANs to the same instanc e as the primary VLAN, use the p rivate-vlan
synchronize command.
private-vlan synchronize
Syntax Description This command has no arguments or keywords.
Defaults This command has no default settings.
Command Modes MST configuratio n mode
Usage Guidelines If you do not map the VLANs to the same instance as the associated primary VLAN when you ex it the MST
configuration submode, a warning message displa ys and lists the se condary VLA Ns that a re not map ped
to the same instance as the associated primary VLAN. The private-vlan synchroniz e command
automatically maps all seconda ry VLANs to the same instanc e as the associated pri mary VLANs.
Examples This example shows how to initialize PVLAN synchronization:
Switch(config-mst)# private-vlan synchronize
Switch(config-mst)#
This example assumes that a primary VLAN 2 and a secondary VLAN 3 are associated to VL AN 2, and that
all VLANs are mapped to the CIST instance 1. This example also shows the output if you try to change the
mapping for the primary VLAN 2 only:
Switch(config)# spanning-tree mst configuration
Switch(config-mst)# instance 1 vlan 2
Switch(config-mst)# exit
These secondary vlans are not mapped to the same instance as their primary:
->3
Switch(config)#
Related Commands Command Description
show spanning-tree mst Displays MST protoc ol information.