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Configuration Guide - QoS

CloudEngine 12800 and 12800E V200R003C00

This document describes the configurations of QoS functions, including MQC, priority mapping, traffic policing, traffic shaping, interface-based rate limiting, congestion avoidance, congestion management, packet filtering, redirection, traffic statistics, and ACL-based simplified traffic policy.
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Overview of Redirection

Overview of Redirection

Modular QoS Command-Line Interface (MQC) can be used to implement redirection.

Redirection is the process of redirecting packets that match traffic classification rules to a different destination.

The device supports the following redirection functions:
  • Redirection to the CPU: redirects packets to the CPU.
  • Redirection to an interface: redirects packets to a specified interface by which packets need to be processed or through which packets are sent to a specified device. This action takes effect for only packets forwarded at Layer 2.
  • Redirection to an observing interface group: redirects packets to an observing interface group that contains interfaces of a group of servers or firewalls when packets need to be analyzed and detected by the servers or firewalls.
  • Redirection to a label switched path (LSP): redirects packets to a public LSP so that packets are forwarded on the MPLS network.
  • Redirection to a next hop address: redirects packets to a next hop address when the received packets need to be processed by a downstream device. For details about PBR, see "PBR Configuration" in CloudEngine 12800 and 12800E Series Switches Configuration Guide - IP Routing.

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Updated: 2019-05-05

Document ID: EDOC1100004202

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