Is the priority of packets sent from devices affected if the CAR is configured and the priority is re-marked

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If the committed access rate (CAR) is configured on a device and the priority is re-marked, the priorities of packets sent from devices are modified according to the priority specified by the CAR and re-mark action.

Other related questions:
Is the priority of packets sent from devices affected if the CAR is configured and the priority is re-marked
If the committed access rate (CAR) is configured on a device and the priority is re-marked, the priorities of packets sent from devices are modified according to the priority specified by the CAR and re-mark action.

Configuring the IS-IS priority on the firewall
The method for modifying the IS-IS priority on the USG2000&5000&6000 is as follows: -Modifying the IS-IS priority: [USG]isis [USG-isis-1]preference 90

How can packets be delivered to queues with different priorities
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.
NOTE:
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.

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