R0106-HP MSR Router Series ACL and QoS Configuration Guide(V7)

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Ste
p
Command Remarks
3. Configure the lower limit,
upper limit, and drop
probability denominator for a
DSCP value in WRED.
wred dscp dscp-value low-limit
low-limit high-limit high-limit
[ discard-probability discard-prob ]
By default, low-limit is 10,
high-limit is 30, and discard-prob
is 10.
Repeat this command to configure
more DSCP values.
Configuring the lower limit, upper limit, and drop probability denominator for an IP precedence value
in WRED
To perform this configuration, make sure IP precedence-based WRED has been enabled with the wred
ip-precedence command.
Disabling WRED also removes the wred ip-precedence command configuration.
Removing the queue af or queue wfq command configuration also removes the WRED-related
parameters.
To configure the lower limit, upper limit, and drop probability denominator for an IP precedence value
in WRED:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a traffic behavior and
enter traffic behavior view.
traffic behavior behavior-name
By default, no traffic behavior is
created.
3. Configure the lower limit,
upper limit, and drop
probability denominator for an
IP precedence value in WRED.
wred ip-precedence precedence
low-limit low-limit high-limit
high-limit [ discard-probability
discard-prob ]
By default, low-limit is 10,
high-limit is 30, and discard-prob
is 10.
Repeat this command to configure
more IP precedence values.
Defining a QoS policy
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a policy and enter
policy view.
qos policy policy-name By default, no policy is created.
3. Associate a traffic behavior
with a class in the policy.
classifier classifier-name
behavior behavior-name
By default, a class is not associated with a
behavior.
Applying the QoS policy
Use the qos apply policy command to apply a policy to a physical interface or PVC. You can apply a
policy to multiple physical interfaces or PVCs.
Configuration restrictions and guidelines
• You can apply a QoS policy configured with QoS actions to physical interfaces, for example
remark, car, queue af, queue ef, and queue wfq.
• An inbound QoS policy cannot contain these queuing actions: queue ef, queue af, or queue wfq.