Administrator 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.
Examples of Viewing a Private VLAN using the show Commands
The show arp and show vlan commands are revised to display PVLAN data.
The following example shows viewing a private VLAN on a C300 system.
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
The following example shows viewing a private VLAN on an S50V system.
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
The following example shows using the show vlan private-vlan mapping command.
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.
The following example shows viewing the VLAN status.
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
The following example shows viewing a private VLAN configuration.
!
interface GigabitEthernet 0/3
no ip address
switchport
624
Private VLANs (PVLAN)