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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Configuring a Traffic Policy to Implement Inter-VLAN Layer 3 Isolation

Configuring a Traffic Policy to Implement Inter-VLAN Layer 3 Isolation

Context

After inter-VLAN Layer 3 connectivity is configured, if some users in different VLANs require unidirectional access or need to be isolated, configure inter-VLAN Layer 3 isolation.

Inter-VLAN Layer 3 isolation is implemented using a traffic policy. A traffic policy is configured by binding traffic classifiers to traffic behaviors. The router classifies packets according to IP addresses or other information in packets, and associates a traffic classifier with a traffic behavior to reject the packets matching the traffic classifier, implementing inter-VLAN Layer 3 isolation.

Router provides inter-VLAN Layer 3 isolation based on MQC and based on the simplified ACL-based traffic policy. You can select one of them according to your needs.

Pre-configuration Tasks

Before configuring a traffic policy to implement inter-VLAN Layer 3 isolation, complete the following task:

Procedure

  • Configure MQC to implement inter-VLAN Layer 3 isolation.

    Perform the following MQC configurations to implement inter-VLAN Layer 3 isolation:
    • Specify permit or deny in the traffic behavior.
    • Apply the traffic policy to a VLAN or an interface that allows the VLAN.

    For details about how to configure MQC, see Configuring Packet Filtering in Huawei AR650&AR1600&AR6100 Series Routers Configuration Guide - QoS.

  • Configure a simplified ACL-based traffic policy to implement inter-VLAN Layer 3 isolation.

    For details about how to configure a simplified ACL-based traffic policy, see Configuring ACL-based Packet Filtering in Huawei AR650&AR1600&AR6100 Series Routers Configuration Guide - QoS.

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Updated: 2019-04-12

Document ID: EDOC1100041791

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