Users Guide
DSCP/CP hex
Range (XXX)
DSCP
Denition
Traditional IP
Precedence
S6000 Internal
Queue ID
S-Series
Internal Queue
ID
DSCP/CP
Decimal
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
Eort)
Best Eort 0 0 0–15
wred
Designate the WRED prole to yellow or green trac.
S4820T
Syntax
wred {yellow | green} profile-name
To remove the WRED drop precedence, use the no wred {yellow | green} [prole-name] command.
Parameters
yellow | green Enter the keyword yellow for yellow trac. A DSCP value of xxx110 and xxx100,
xxx101 maps to yellow.
Enter the keyword green for green trac. A DSCP value of xxx0xx are green and
DSCP 111111 are red packets.
prole-name
Enter your WRED prole name in character format (32 character maximum). Or
use one of the ve pre-dened WRED prole names.
Pre-dened Proles: wred_drop, wred-ge_y, wred_ge_g, wred_teng_y,
wred_teng_.
Defaults When WRED green is applied, default WRED yellow proles take eect and vice-versa.
Command Modes CONFIGURATION (conf-qos-policy-out)
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
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.
1344
Quality of Service (QoS)










