Port Isolation Group Configuration Example - 3Com Baseline 2928 PWR Plus User Manual

Table 1-1 Port isolation group configuration items
Item
Config type
Select port(s)

Port Isolation Group Configuration Example

Network requirements
Campus network users Host A, Host B, and Host C are connected to GigabitEthernet 1/0/2,
GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4 of Switch.
Switch is connected to the Internet through GigabitEthernet 1/0/1.
GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4
belong to the same VLAN.
It is required that Host A, Host B, and Host C can access the Internet while being isolated from one
another.
Figure 1-2 Networking diagram for port isolation group configuration
GE1/0/2
GE1/0/3
Host A
Configuration procedure
# Assign GigabitEthernet 1/0/2, GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4 to an isolation group
as isolated ports.
Select Security > Port Isolate Group from the navigation tree and in the page that appears, click the
Modify tab to enter the page shown in
Specify the role of the port or ports in the isolation group.
Isolate port: Assign the port or ports to the isolation group as an isolated
port or ports.
Uplink-port: Assign the port to the isolation group as the uplink port.
The uplink port is not supported on 3Com Switch 2900.series
Select the port(s) you want to assign to the isolation group.
You can click ports on the chassis front panel for selection; if aggregation
interfaces are configured, they will be listed under the chassis panel for
selection.
Internet
GE1/0/1
Switch
GE1/0/4
Host B Host C
Figure
Description
1-3.
1-2