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Schedulers

An individual device interface has multiple queues assigned to store packets temporarily before transmission. To determine the order to service the queues, the device uses a round-robin scheduling method based on priority and the queue's weighted round-robin (WRR) credits. JUNOS schedulers allow you to define the priority, bandwidth, delay buffer size, rate control status, and RED drop profiles to be applied to a particular queue for packet transmission. For more information, see Scheduler Settings.

You can configure per-unit scheduling (also called logical interface scheduling). Per-unit scheduling allows you to enable multiple output queues on a logical interface and associate an output scheduler with each queue.

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