Administrator Guide

Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Usage Information To assign drop precedence to green or yellow traffic, use this command. If there is no honoring enabled on the
input, all the traffic defaults to green drop precedence.
Related
Commands
• wred-profile — creates a WRED profile and name that profile.
• trust — defines the dynamic classification to trust DSCP.
wred ecn
To indicate network congestion, rather than dropping packets, use explicit congestion notification (ECN).
S4048–ON
Syntax
wred ecn
To stop marking packets, use the no wred ecn command.
Defaults none
Command Modes CONFIGURATION (conf-qos-policy-out)
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820t.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Usage Information
When you enable wred ecn, and the number of packets in the queue is below the minimum threshold, packets
are transmitted per the usual WRED treatment.
1308 Quality of Service (QoS)