3Com MSR 50 Series Configuration Manual page 1667

Follow these steps to configure DSCP lower-limit, upper-limit and discard
probability of WRED:
To do...
Enter system view
Define a traffic behavior and
enter traffic behavior view
Configure DSCP lower-limit,
upper-limit and discard
probability of WRED
Display traffic behavior
information
dscp-value: DSCP value. It can be in the range 0 to 63 or be one of the following
keywords: ef, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42,
af43, cs1, cs2, cs3, cs4, cs5, cs6, cs7, and default.
n
Only after the queue af and wred commands are configured can this
■
configuration be performed.
When the configuration of wred is deleted, the wred dscp will be deleted at
■
the same time.
The configuration of drop parameter gets invalid if the configuration of the
■
queue af command or the queue wfq command is cancelled.
8 Configuring lower-limit, upper-limit and discard probability of WRED IP
precedence
The IP precedence-based WRED drop type has been enabled via the wred
ip-precedence command.
Follow these steps to configure lower-limit, upper-limit and discard probability of
WRED IP precedence:
To do...
Enter system view
Define a traffic behavior and
enter traffic behavior view
Configure lower-limit,
upper-limit and discard
probability of WRED
precedence
Configuring Class-based Queuing
Use the command...
system-view
traffic behavior
behavior-name
wred dscp dscp-value
low-limit low-limit
high-limit high-limit
[ discard-probability
discard-prob ]
display traffic behavior
{ system-defined |
user-defined }
[ behavior-name ]
Use the command...
system-view
traffic behavior
behavior-name
wred ip-precedence
precedence low-limit
low-limit high-limit high-limit
[ discard-probability
discard-prob ]
1667
Remarks
-
Required
behavior-name: Name of the
traffic behavior. It is not
allowed to pre-define traffic
behavior for the system.
Required
Optional
The display command can be
executed in any view.
Remarks
-
Required
behavior-name: Name of the
traffic behavior. It is not
allowed to pre-define traffic
behavior for the system.
Required