4000 Router Series Layer 2 - LAN Switching Configuration Guide

Port isolation configuration example

Network requirements

As shown in Figure 1, Ethernet 2/1, Ethernet 2/2, Ethernet 2/3, and Ethernet 2/4 are in the same VLAN.

Configure the router to provide Internet access for all the hosts, and isolate them from one another.

Figure 1 Network diagram

Configuration procedure

# Assign ports Ethernet 2/1, Ethernet 2/2, and Ethernet 2/3 to the isolation group.

<Router> system-view

[Router] interface ethernet 2/1

[Router-Ethernet2/1] port-isolate enable

[Router-Ethernet2/1] quit

[Router] interface ethernet 2/2

[Router-Ethernet2/2] port-isolate enable

[Router-Ethernet2/2] quit

[Router] interface ethernet 2/3

[Router-Ethernet2/3] port-isolate enable

Verifying the configuration

# Display information about the isolation group.

[Router-Ethernet2/3] display port-isolate group

Port isolation group information:

Group ID: 1

Group members:

Ethernet2/1 Ethernet2/2 Ethernet2/3