9 Steps of Private VLAN Cisco Configuration Example ⋆ IPCisco

Table of Contents

Cisco Private VLAN Configuration Example

For Private VLAN configuration, we will do a configuration example with one switch and one router. Here, we will use the same topology that we have used before for Private VLAN overview. Our topology, ports and VLANs will be like below:

We will do the below Configuration on the Switch, one by one.

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Cisco Private VLAN Configuration Steps

1. Set VTP Mode as “Transparent Mode”.

The first step is determination of the VTP Mode of the switch. It must be in “Transparent Mode”.

IPCisco# config terminal
IPCisco(config)# vtp mode transparent

2. Secondary VLANs Creation.

Secondly, we will create the Secondary VLANs.

IPCisco(config)# vlan 101 
IPCisco(config-vlan)# private-vlan community 
IPCisco(config-vlan)# end

IPCisco(config)# vlan 102 
IPCisco(config-vlan)# private-vlan community 
IPCisco(config-vlan)# end

IPCisco(config)# vlan 103
IPCisco(config-vlan)# private-vlan isolated 
IPCisco(config-vlan)# end

3. Primary VLAN Creation.

In the step three, we will create Primary VLAN.

IPCisco(config)# vlan 100 
IPCisco(config-vlan)# private-vlan primary 
IPCisco(config-vlan)# end

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4. Association Secondary VLANs to Primary VLAN.

Secondary VLANs need to be associated to the Primary VLAN.In this step, we will associate Secondary VLANs to Primary VLANs.

IPCisco(config)# vlan 100 
IPCisco(config-vlan)# private-vlan association 101-103 
IPCisco(config-vlan)# end

After this step, we can use “show vlan private-vlan” command and we can see all the Secondary VLANs are associated with Primary VLAN.

IPCisco# show vlan private-vlan
Primary 	Secondary 	Type 		Interfaces 
------------	 --------------	-------		--------------- 
100 		101 		community 
100 		102		community 
100 		103 		isolated