Administrator Guide

Usage Information
When you configure trust, matched bytes/packets counters are not incremented in the show qos
statistics command.
Dynamic mapping honors packets marked according to the standard definitions of DSCP. The following lists the
default mapping.
Table 6. Default Mapping
DSCP/CP hex
Range (XXX)
DSCP
Definition
Traditional IP
Precedence
S6000 Internal
Queue ID
S-Series
Internal Queue
ID
DSCP/CP
Decimal
111XXX Network Control 7 3 48–63
110XXX Internetwork
Control
6 3 48–63
101XXX EF (Expedited
Forwarding)
CRITIC/ECP 5 2 32–47
100XXX AF4 (Assured
Forwarding)
Flash Override 4 2 32–47
011XXX AF3 Flash 3 1 16–31
010XXX AF2 Immediate 2 1 16–31
001XXX AF1 Priority 1 0 0–15
000XXX BE (Best Effort) Best Effort 0 0 0–15
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 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.
Quality of Service (QoS) 1307