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This command can be used only after the wred command has been used to
enable WRED drop mode based on DSCP.
The configuration of wred dscp will be deleted if the configuration of qos wred
is deleted.
The configuration of drop parameter gets invalid if the configuration of the queue
af command or the queue wfq command is cancelled.
Related commands: qos policy, traffic behavior, classifier behavior.
Examples # Set the queue lower-limit to 20, upper-limit to 40 and discard probability to 15
for the packet whose DSCP is 3.
<Sysname> system-view
[Sysname] traffic behavior database
[Sysname-behavior-database] queue wfq
[Sysname-behavior-database] wred dscp
[Sysname-behavior-database] wred dscp 3 low-limit 20 high-limit 40 d
iscard-probability 15
wred ip-precedence
Syntax wred ip-precedence precedence low-limit low-limit high-limit high-limit
[ discard-probability discard-prob ]
undo wred ip-precedence precedence
View Traffic behavior view
Parameters precedence: IP precedence, in the range 0 to 7.
low-limit low-limit: Specifies the lower threshold, in the range 1 to 1024 (in terms
of the number of packets). The system default is 10.
high-limit high-limit: Specifies the upper threshold, in the range 1 to 1024 (in
terms of the number of packets). The system default is 30.
discard-probability discard-prob: Specifies the denominator for drop probability,
in the range 1 to 255. The system default is 10.
Description Use the
wred ip-precedence command to set precedence lower-limit,
upper-limit and drop probability denominator of WRED.
Use the
undo wred ip-precedence command to delete the configuration.
The wred ip-precedence command can be used only after the wred command is
used to enable IP precedence-based WRED drop mode.
The configuration of wred ip-precedence will be deleted when wred
configuration is deleted.