Cisco Systems EA6500 Manual De Usuario
10-7
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
78-14099-04
Chapter 10 Configuring Private VLANs
Configuring Private VLANs
•
Use the remove keyword with a secondary_vlan_list to clear the association between secondary
VLANs and a primary VLAN.
VLANs and a primary VLAN.
•
The command does not take effect until you exit VLAN configuration submode.
This example shows how to associate community VLANs 303 through 307 and 309 and isolated VLAN
440 with primary VLAN 202 and verify the configuration:
440 with primary VLAN 202 and verify the configuration:
Router# configure terminal
Router(config)# vlan 202
Router(config-vlan)# private-vlan association 303-307,309,440
Router(config-vlan)# end
Router# show vlan private-vlan
Primary Secondary Type Interfaces
------- --------- ----------------- ------------------------------------------
202 303 community
202 304 community
202 305 community
202 306 community
202 307 community
202 309 community
202 440 isolated
308 community
Mapping Secondary VLANs to the Layer 3 VLAN Interface of a Primary VLAN
Note
Isolated and community VLANs are both called secondary VLANs.
To map secondary VLANs to the Layer 3 VLAN interface of a primary VLAN to allow Layer 3 switching
of private VLAN ingress traffic, perform this task:
of private VLAN ingress traffic, perform this task:
When you map secondary VLANs to the Layer 3 VLAN interface of a primary VLAN, note the
following syntax information:
following syntax information:
•
The private-vlan mapping interface configuration command only affects private VLAN ingress
traffic that is Layer 3 switched.
traffic that is Layer 3 switched.
•
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.
items. Each item can be a single private VLAN ID or a hyphenated range of private VLAN IDs.
Command
Purpose
Step 1
Router(config)# interface vlan primary_vlan_ID
Enters interface configuration mode for the primary
VLAN.
VLAN.
Step 2
Router(config-if)# private-vlan mapping
{secondary_vlan_list | add secondary_vlan_list |
remove
secondary_vlan_list}
Maps the secondary VLANs to the Layer 3 VLAN
interface of a primary VLAN to allow Layer 3 switching
of private VLAN ingress traffic.
interface of a primary VLAN to allow Layer 3 switching
of private VLAN ingress traffic.
Router(config-if)# [no] private-vlan mapping
Clears the mapping between the secondary VLANs and
the primary VLAN.
the primary VLAN.
Step 3
Router(config-if)# end
Exits configuration mode.
Step 4
Router# show interface private-vlan mapping
Verifies the configuration.