private-vlan isolated

Use private-vlan isolated to isolate ports in a secondary VLAN at Layer 2.

Use undo private-vlan isolated to restore the default.

Syntax

private-vlan isolated

undo private-vlan isolated

Default

Ports in the same secondary VLAN can communicate with each other at Layer 2.

Views

VLAN view

Predefined user roles

network-admin

Usage guidelines

This command takes effect when the following conditions exist:

• The secondary VLAN is associated with a primary VLAN.

• The ports are configured as host ports or trunk secondary ports of the secondary VLAN.

This command is mutually exclusive with the primary VLAN, super VLAN, and sub-VLAN configuration commands.

Examples

This example shows how to meet the following requirements:

• VLAN 4 is a secondary VLAN, and it is associated with primary VLAN 2.

• is a promiscuous port of VLAN 2.

• and are host ports.

• and are isolated at Layer 2 in secondary VLAN 4.

# Configure VLAN 2 as a primary VLAN and associate it with secondary VLAN 4.

<Sysname> system-view
[Sysname] vlan 4
[Sysname-vlan4] quit
[Sysname] vlan 2
[Sysname-vlan2] private-vlan primary
[Sysname-vlan2] private-vlan secondary 4
[Sysname-vlan2] quit

# Configure as a promiscuous port of VLAN 2.

[Sysname] interface 
[Sysname-] port private-vlan 2 promiscuous
[Sysname-] quit

# Assign to VLAN 4 and configure the port as a host port.

[Sysname] interface 
[Sysname-] port access vlan 4
[Sysname-] quit
[Sysname-] port private-vlan host

# Assign to VLAN 4 and configure the port as a host port.

[Sysname] interface 
[Sysname-] port access vlan 4
[Sysname-] port private-vlan host

# Configure port isolation at Layer 2 in secondary VLAN 4.

[Sysname] vlan 4
[Sysname-vlan4] private-vlan isolated

Related commands

private-vlan (VLAN view)

private-vlan community

private-vlan primary