Service Manual

wred
Designate the WRED profile to yellow or green traffic.
S4048–ON
Syntax
wred {yellow | green} profile-name
To remove the WRED drop precedence, use the no wred {yellow | green} [profile-name] command.
Parameters
yellow | green Enter the keyword yellow for yellow traffic. A DSCP value of xxx110 and xxx100,
xxx101 maps to yellow.
Enter the keyword green for green traffic. A DSCP value of xxx0xx are green and
DSCP 111111 are red packets.
profile-name
Enter your WRED profile name in character format (32 character maximum). Or
use one of the five pre-defined WRED profile names.
Pre-defined Profiles: wred_drop, wred-ge_y, wred_ge_g, wred_teng_y,
wred_teng_.
Defaults When WRED green is applied, default WRED yellow profiles take effect and vice-versa.
Command Modes CONFIGURATION (conf-qos-policy-out)
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
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
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.
1168 Quality of Service (QoS)