3Com Switch 8800 Advanced Software V5 Configuration Guide

180 CHAPTER 17: PORT ISOLATION CONFIGURATION

Networking diagram

Figure 52 Networking diagram for port isolation configuration

Configuration procedure

# Create a VLAN, and add the ports to this VLAN.

<Sysname> system-view

[Sysname] vlan 2

[Sysname-vlan2] port ethernet 1/1/1 to ethernet 1/1/4

[Sysname-vlan2] quit

# Create Isolation Group 2.

[Sysname] port-isolate group 2

# Add Ethernet 1/1/2, Ethernet 1/1/3, and Ethernet 1/1/4 to Isolation Group 2.

[Sysname] interface ethernet 1/1/2

[Sysname-Ethernet1/1/2] port-isolate enable group 2

[Sysname-Ethernet1/1/2] interface ethernet 1/1/3

[Sysname-Ethernet1/1/3] port-isolate enable group 2

[Sysname-Ethernet1/1/3] interface ethernet 1/1/4

[Sysname-Ethernet1/1/4] port-isolate enable group 2

# Configure port Ethernet1/1/1 as the uplink port of Isolation Group 2.

[Sysname-Ethernet1/1/4] interface ethernet 1/1/1

[Sysname-Ethernet1/1/1] port-isolate uplink-port group 2

[Sysname-Ethernet1/1/1] return

# Display information of Isolation Group 2.

<Sysname> display port-isolate group 2

Port-isolate group information:

Uplink port support: YES

Group ID: 2

Uplink port: Ethernet1/1/1

Ethernet1/1/2 Ethernet1/1/3 Ethernet1/1/4

Internet

Host A Host B Host C

Eth1 /1/3

Eth1/1/2

Eth1/1/4

Eth1/1/1

Switch