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VLAN Commands
4-191
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Command Mode
Privileged Exec
Example
This shows that traffic entering Port 1 that matches the specifications for protocol
group 1 will be mapped to VLAN 2:
Configuring Private VLANs
Private VLANs provide port-based security and isolation between ports within the
assigned VLAN. This section describes commands used to configure private VlANs.
pvlan
This command enables or configures a private VLAN. Use the no form to disable the
private VLAN.
Syntax
pvlan [up-link interface-list down-link interface-list]
no pvlan
• up-link – Specifies an uplink interface.
• down-link – Specifies a downlink interface.
Default Setting
No private VLANs are defined.
Command Mode
Global Configuration
Command Usage
• A private VLAN provides port-based security and isolation between ports
within the VLAN. Data traffic on the downlink ports can only be forwarded to,
and from, the uplink port.
• Private VLANs and normal VLANs can exist simultaneously within the same
switch.
Console#show interfaces protocol-vlan protocol-group
Port ProtocolGroup ID Vlan ID
---------- ------------------ -----------
Eth 1/1 1 vlan2
Console#
Table 4-59. Configuring Private VLAN Groups
Command Function Mode Page
pvlan Enables and configured private VLANS GC 4-191
show pvlan Displays the configured private VLANS PE 4-192