Reference Guide

DSCP/CP hex
Range (XXX)
DSCP Definition Traditional IP
Precedence
S-Series
Internal Queue
ID
DSCP/CP
Decimal
101XXX EF (Expedited
Forwarding)
CRITIC/ECP 2 32–47
100XXX AF4 (Assured
Forwarding)
Flash Override 2 32–47
011XXX AF3 Flash 1 16–31
010XXX AF2 Immediate 1 16–31
001XXX AF1 Priority 0 0–15
000XXX BE (Best Effort) Best Effort 0 0–15
wred
Designate the WRED profile to yellow or green traffic.
S4820T
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 maps to yellow.
Enter the keyword green for green traffic. A DSCP value of xxx010
maps to green.
profile-name
Enter your WRED profile name in character format (16 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 none
Command Modes CONFIGURATION (conf-qos-policy-out)
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 8.2.1.0 Profile name character limit increased from 16 to 32.
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