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Configuring Private VLAN (Only for Certain Devices) Private VLAN Configurations
User Guide 287
Step 4 switchport private-vlan mapping
primary-vlan-id secondary-vlan-id
Add the specified port(s) to the private VLAN.
primary-vlan-id
: Specify the ID of the primary VLAN. The ID ranges from 2 to 4094.
secondary-vlan-id
: Specify the ID of the secondary VLAN. The ID ranges from 2 to 4094.
Step 5 show vlan private-vlan
Verify configurations of private VLAN.
Step 6 show vlan private-vlan interface [fastEthernet
port
| gigabitEthernet
port
| ten-
gigabitEthernet
port
| port-channel
lag-id
]
Verify private VLAN configurations of ports.
port
: Specify the ID of the port to show information.
lag-id
: Specify the ID of the LAG to show information.
Step 7 end
Return to Privileged EXEC Mode.
Step 8 copy running-config startup-config
Save the settings in the configuration file.
Note:
When configuring the up-link port, you only need to add the port to one private VLAN and set the
port type as Promiscuous. The switch will automatically add the port to private VLANs with the
same primary VLAN.
The following example shows how to configure the port type of port 1/0/2 as Promiscuous,
and add it to the private VLAN composed of primary VLAN 6 and secondary VLAN 5.
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/2
Switch(config-if)#switchport private-vlan promiscuous
Swtich(config-if)#switchport private-vlan mapping 6 5
Switch(config-if)#exit
Switch(config)#show vlan private-vlan
Primary Secondary Type Ports
--------- ------------- --------------- --------------
6 5 Community Gi1/0/2
Switch(config)#show vlan private-vlan interface gigabitEthernet 1/0/2
Port type
--------- ----------
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