Monitoring Private Vlans - Cisco Catalyst 3750-E Software Configuration Manual

Monitoring Private VLANs

The private-vlan mapping interface configuration command only affects private-VLAN traffic that is
Note
Layer 3 switched.
When you map secondary VLANs to the Layer 3 VLAN interface of a primary VLAN, note this syntax
information:
•
•
•
This example shows how to map the interfaces of VLANs 501and 502 to primary VLAN 10, which
permits routing of secondary VLAN ingress traffic from private VLANs 501 to 502:
Switch# configure terminal
Switch(config)# interface vlan 10
Switch(config-if)# private-vlan mapping 501-502
Switch(config-if)# end
Switch# show interfaces private-vlan mapping
Interface Secondary VLAN Type
--------- -------------- -----------------
vlan10
vlan10
Monitoring Private VLANs
Table 16-1
Table 16-1
Command
show interfaces status
show vlan private-vlan
[type]
show interface switchport
show interface
private-vlan mapping
This is an example of the output from the show vlan private-vlan command:
Switch(config)# show vlan private-vlan
Primary Secondary Type
------- --------- ----------------- ------------------------------------------
10
10
10
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
16-14
The secondary_vlan_list parameter cannot contain spaces. It can contain multiple comma-separated
items. Each item can be a single private-VLAN ID or a hyphenated range of private-VLAN IDs.
Enter a secondary_vlan_list, or use the add keyword with a secondary_vlan_list to map the
secondary VLANs to the primary VLAN.
Use the remove keyword with a secondary_vlan_list to clear the mapping between secondary
VLANs and the primary VLAN.
501 isolated
502 community
shows the privileged EXEC commands for monitoring private-VLAN activity.
Private VLAN Monitoring Commands
501 isolated
502 community
503 non-operational
Purpose
Displays the status of interfaces, including the VLANs to which they
belongs.
Display the private-VLAN information for the switch or switch stack.
Display private-VLAN configuration on interfaces.
Display information about the private-VLAN mapping for VLAN SVIs.
Ports
Gi2/0/1, Gi3/0/1, Gi3/0/2
Gi2/0/11, Gi3/0/1, Gi3/0/4
Chapter 16 Configuring Private VLANs
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