3Com 2928 - Baseline Plus Switch PWR, User Manual

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1-2
Table 1-1
Port isolation group configuration items
Item Description
Config type
Specify the role of the port or ports in the isolation group.
z
Isolate port: Assign the port or ports to the isolation group as an isolated
port or ports.
z
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 port(s)
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.
Port Isolation Group Configuration Example
Network requirements
z
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.
z
Switch is connected to the Internet through GigabitEthernet 1/0/1.
z
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
Internet
Host A Host B Host C
GE1/0/3
GE1/0/2 GE1/0/4
GE1/0/1
Switch
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 Figure 1-3 .