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S12700 V200R010C00 Configuration Guide - Interface Management

This document describes the principles and configurations of interfaces and provides configuration examples.
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How Do I Use Port Isolation to Prevent Users in the Same VLAN from Communicating with Each Other?

How Do I Use Port Isolation to Prevent Users in the Same VLAN from Communicating with Each Other?

Port isolation can isolate interfaces in the same VLAN. You can add interfaces to a port isolation group to prevent these interfaces from sending data packets to each other.

For example, GE1/0/1 and GE1/0/2 belong to VLAN10. You can configure port isolation to prevent users connected to GE1/0/1 and GE1/0/2 respectively from sending data packets to each other.
<HUAWEI> system-view
[HUAWEI] vlan 10
[HUAWEI-vlan10] quit
[HUAWEI] interface gigabitethernet 1/0/1
[HUAWEI-GigabitEthernet1/0/1] port link-type access
[HUAWEI-GigabitEthernet1/0/1] port default vlan 10
[HUAWEI-GigabitEthernet1/0/1] port-isolate enable
[HUAWEI-GigabitEthernet1/0/1] quit
[HUAWEI] interface gigabitethernet 1/0/2
[HUAWEI-GigabitEthernet1/0/2] port link-type access
[HUAWEI-GigabitEthernet1/0/2] port default vlan 10
[HUAWEI-GigabitEthernet1/0/2] port-isolate enable
[HUAWEI-GigabitEthernet1/0/2] quit
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Updated: 2019-04-18

Document ID: EDOC1000142085

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