3Com 10014303 User Manual
Page 11
Table 1-18 Configure exponential of average queue length calculated by WRED
Operation
Command
Configure exponential of average queue
length calculated by WRED
wred weighting-constant exponent
Delete the configuration of exponential of
average queue length calculated by WRED
undo wred weighting-constant
This command can be used only after the af command has been configured and the
wred command has been used to enable WRED discard mode.
6)
Configure DSCP lower-limit, upper-limit and discard probability of
WRED
Perform the following configurations in the policy-class view.
Table 1-19 Configure DSCP lower-limit, upper-limit and discard probability of WRED
Operation
Command
Configure DSCP lower-limit, upper-limit
and discard probability of WRED
wred ip dscp value low-limit low-limit hjgh-limit high-limit
[ discard-probability discard-prob ]
Delete the configured DSCP lower-limit,
upper-limit and discard probability of
WRED
undo wred ip-dscp value
value: DSCP value, in the range from 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 or cs7.
The discard mode based on WRED should have been enabled via the wred ip-dscp
command.
When the configuration of qos wred is deleted, the wred ip-dscp will also be
deleted.
When the af configuration is deleted, the configuration of discarding parameters will
also be deleted.
7)
Configure lower-limit, upper-limit and discarding probability of WRED
precedence
Perform the following configurations in the policy-class view.
Table 1-20 Configure lower-limit, upper-limit and discarding probability of WRED precedence
Operation
Command
Configure lower-limit, upper-limit and
discard probability of WRED precedence
denominator
wred ip-precedence value low-limit low-limit hjgh-limit high-limit
[ discard-probability discard-prob ]
Delete the configuration of lower-limit,
upper-limit and discard probability of
WRED precedence denominator
undo
wred ip-precedence value
3Com Router Configuration Guide Addendum for V1.20
11