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CLI-based Configuration Guide - QoS

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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Overview of Packet Filtering

Overview of Packet Filtering

Modular QoS Command-Line Interface (MQC) implements packet filtering.

There are many untrusted packets on networks. An untrusted packet is a packet with potential security risks or a packet that users do not want to receive. The packet filtering function allows a device to directly discard untrusted packets to improve network security.

With MQC, a device is configured to identify untrusted packets and discard them, as well as identify trusted packets and permit them to pass through.

MQC-based packet filtering classifies packets in a more precise manner than a blacklist, and is more flexible to deploy.

Updated: 2019-05-17

Document ID: EDOC1000174115

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