Port isolation on HP 5800

For example, I will configure port isolation on the HPE A5800-24G-SFP switch.

To isolate traffic between ports, use the command:

port-isolate enable

It must be specified for each port individually, for example:

interface GigabitEthernet1/0/1
 port link-mode bridge
 port access vlan 943
 loopback-detection enable
 port-isolate enable 
#
interface GigabitEthernet1/0/2
 port link-mode bridge
 port access vlan 943
 loopback-detection enable
 port-isolate enable 
#
...

This command cannot be specified on the Uplink port:

interface Ten-GigabitEthernet1/0/25
 port link-mode bridge
 port link-type trunk
 undo port trunk permit vlan 1
 port trunk permit vlan 943
 speed 10000
 duplex full

Accordingly, the traffic of the port on which this command is not specified can go to any port, and all ports on which the “port-isolate enable” command is specified or not specified can also forward traffic to it. Traffic does not go between ports on which the “port-isolate enable” command is specified and can only go to ports on which it is not specified.

See also my article:
Configuring HP 5800

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