Dell S6000–ON Configuration Manual page 716

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Table of Contents

Setting a dot1p Value for Egress Packets

To set a dot1p value for egress packets, use the following command.

Set a dscp or dot1p value for egress packets.

QOS-POLICY-IN mode

set mac-dot1p

The systems supporting this feature should use only the default global dot1p to queue mapping

configuration as described in

Creating an Output QoS Policy

To create an output QoS policy, use the following commands.

Create an output QoS policy.

CONFIGURATION mode

qos-policy-output

After you configure an output QoS policy, do one or more of the following:

Scheduler Strict — Policy-based Strict-priority Queueing configuration is done through scheduler

strict. It is applied to Qos-policy-output. When scheduler strict is applied to multiple Queues, high

queue number takes precedence.

Allocating Bandwidth to Queue

Specifying WRED Drop Precedence

Configuring Policy-Based Rate Shaping

To configure policy-based rate shaping, use the following command.

Configure rate shape egress traffic.

QOS-POLICY-OUT mode

Allocating Bandwidth to Queue

The switch schedules packets for egress based on Deficit Round Robin (DRR). This strategy offers a

guaranteed data rate.

Allocate bandwidth to queues only in terms of percentage in 4-queue and 8-queue systems. The

following table shows the default bandwidth percentage for each queue.

The following table lists the default bandwidth weights for each queue, and their equivalent percentage

which is derived by dividing the bandwidth weight by the sum of all queue weights.

Dot1p to Queue Mapping

Requirement.

Quality of Service (QoS)

Troubleshooting