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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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How Can Packets Be Delivered to Queues with Different Priorities?

How Can Packets Be Delivered to Queues with Different Priorities?

The AR delivers packets to different queues based on the priority. By default, the AR interfaces do not trust any packet priority. Packets received on the same interface are delivered to the same queue.

Packets enter queues of different priorities when the following requirements are met:
  • The trust command is used on the interface to map packets based on the priority.
  • Packets of different priorities exist in the service flows passing the interface.
You can run the following commands to re-mark a priority of a packet.
  • remark 8021p: Re-marks the 802.1p priority of VLAN packets.
  • remark dscp: Re-marks the DSCP priority of IP packets.
  • remark local-precedence: Re-marks the internal priority of packets.
Updated: 2019-05-10

Document ID: EDOC1000079719

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