Command Reference Guide

3Com Router 5000 Family and Router 6000 Family wred dscp ● 145
Command Reference
wred dscp
Purpose Use the wred dscp command to set DSCP lower-limit, upper-limit and drop
probability denominator of WRED.
Use the
undo wred dscp command to delete the configuration.
This command can be used only after the
wred command has been used to enable
WRED drop mode based on DSCP.
Syntax wred dscp dscp-value low-limit low-limit high-limit high-limit [
discard-probability discard-prob ]
undo wred dscp dscp-value
Parameters dscp-value
DSCP value, in the range of 0 to 63, which can be any
of the following keywords: ef, af11, af12, af13, af21,
af22, af23, af31, af32, af33, af41, af42, af43, cs1,
cs2, cs3, cs4, cs5, cs6, cs7, or default.
low-limit:
Lower threshold value, in the range of 1 to 1024. It is
10 by default. Lower threshold value, in the range of 1
to 1024. It is 10 by default.
Table 4 DSCP keywords and values
Keyword DSCP value (binary) DSCP value (decimal)
ef 000000 0
af11 001010 10
af12 001100 12
af13 001110 14
af21 010010 18
af22 010100 20
af23 010110 22
af31 011010 26
af32 011100 28
af33 011110 30
af41 100010 34
af42 100100 36
af43 100110 38
cs1 001000 8
cs2 010000 16
cs3 011000 24
cs4 100000 32
cs5 101000 40
cs6 110000 48
cs7 111000 56
default 000000 0