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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Introduction to Packet Filtering

Introduction to Packet Filtering

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

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

When packets of a type are considered untrusted, configured MQC to differentiate the packets from other types of packets and discard them. When packets of a type are considered trusted, configured MQC to differentiate the packets from other types of packets and permit them to pass through.

Compared with the blacklist, MQC-based packet filtering classifies packets in a fine-grained manner and is more flexible to deploy.

Updated: 2019-08-09

Document ID: EDOC1000041694

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