3Com Switch 8800 Advanced Software V5 Configuration Guide

Displaying Isolation Groups 179
Configuring an Uplink
Port for the Isolation
Group
Follow these steps to configure an uplink port for the isolation group:
n
■ An isolation group can have only one uplink port. When a user configures
multiple ports as the uplink port, only the last one prevails.
■ If a port has already been configured as an ordinary port for an isolation group,
it cannot be configured as an uplink port, and vice versa.
Displaying Isolation
Groups
Follow these steps to display and maintain an isolation group:
Port Isolation
Configuration
Example
Networking Requirement
■ Users Host A, Host B, and Host C are connected to Ethernet 1/1/2, Ethernet
1/1/3, and Ethernet 1/1/4 of Device.
■ A switch is connected to an external network through Ethernet 1/1/1.
■ Ethernet 1/1/1, Ethernet 1/1/2, Ethernet 1/1/3, and Ethernet 1/1/4 belong to
the same VLAN (VLAN 2). It is desired that Host A, Host B, and Host C cannot
communicate with each other, but can access the external network.
Enter
Ethernet
interface
view or
port group
view
Enter
Ethernet
interface
view
interface interface-type
interface-number
One of them is required.
Configured in Ethernet interface view,
the setting is effective on the current
port only; configured in port group
view, the setting is effective on all
ports in the port group.
Enter port
group
view
port-group { manual
port-group-name |
aggregation agg-id }
Add a specified port to
the isolation group as
an ordinary port
port-isolate enable group
group-number
Required
No ports are added to the isolation
group by default.
To do... Use the command... Remarks
To do... Use the command... Remarks
Enter system view system-view -
Enter Ethernet interface view interface interface-type
interface-number
-
Configure the current port as
the uplink port of the isolation
group
port-isolate uplink-port
group group-number
Required
An isolation group has no
uplink port by default.
To do... Use the command...
Display an isolation group and its
information
display port-isolate group [ group-number ]