Reference Guide
The following examples show the results of using this command without the command options on 
the C300 and S50V switches in the topology diagram previously shown.
• Display the primary-secondary VLAN mapping. The following example shows the output from the 
S50V.
show vlan private-vlan mapping
This command is specific to the PVLAN feature.
Example of Viewing a Private VLAN (C300)
Example of Viewing a Private VLAN (S50V)
Example of the show vlan private-vlan mapping Command
Example of Viewing VLAN Status
Example of Viewing Private VLAN Configuration
The show arp and show vlan commands are revised to display PVLAN data.
c300-1#show vlan private-vlan
Primary Secondary Type Active Ports
------- --------- --------- ------ --------------
4000 Primary Yes Gi 0/0,23,25
 4001 Community Yes Gi 4/0,23
 4002 Community Yes Gi 4/24,47
 4003 Isolated Yes Gi 0/24,47
S50-1#show vlan private-vlan
Primary Secondary Type Active Ports
------- --------- --------- ------ -----------
4000 Primary Yes Gi 0/3,25
 4001 Community Yes Gi 0/4-5
 4003 Isolated Yes Gi 0/6
S50-1#show vlan private-vlan mapping
Private Vlan:
Primary : 4000
Isolated : 4003
Community : 4001
NOTE: In the following example, notice the addition of the PVLAN codes – P, I, and C – in the left 
column.
S50V#show vlan
Codes: * - Default VLAN, G - GVRP VLANs, 
P - Primary, C - Community, I - Isolated
Q: U - Untagged, T - Tagged
 x - Dot1x untagged, X - Dot1x tagged
 G - GVRP tagged, M - Vlan-stack
 NUM Status Description Q Ports
* 1 Inactive
 100 Inactive
P 200 Inactive primary VLAN in PVLAN T Gi 0/19-20
I 201 Inactive isolated VLAN in VLAN 200 T Gi 0/21
!
interface GigabitEthernet 0/3
Private VLANs (PVLAN)
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