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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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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

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.

Context

Inter-VLAN Layer 3 isolation is implemented using a traffic policy. A traffic policy is configured by binding traffic classifiers to traffic behaviors. The switch classifies packets according to the packet information, and associates a traffic classifier with a traffic behavior to reject the packets matching the traffic classifier.

The switch provides inter-VLAN Layer 3 isolation based on MQC and based on the ACL-based simplified 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, perform the task of Configuring Inter-VLAN Communication.

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 "Packet Filtering Configuration" in the S12700 V200R010C00 Configuration Guide - QoS.

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

    For details about how to configure an ACL-based simplified traffic policy, see Configuring ACL-based Packet Filtering in "ACL-based Simplified Traffic Policy Configuration" in the S12700 V200R010C00 Configuration Guide - QoS.

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Updated: 2019-08-21

Document ID: EDOC1000142081

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