HP MSR4080 Configuration Manual page 57

Enabling WR ED
When you enable WRED, follow these guidelines:
• Before enablin
The wred command and the queue-len
•
Wh en WRED is disabled, other WR
•
To enable WRED:
Step
1. Enter system view.
2. Create a traffic behavior
and enter traffic behavior
view.
3. Enable WRED.
Configur ing the exponent for WRED to calculate the average queue size
B efore c onfiguring the WRED expone
c onfigur ed and the wred command ha
To configure the exponent for WR
Ste p
1. Enter system view.
2. Create
enter traffic behavior view.
3. Configure the exponent for WRED
to calculate the average queue
size.
Configur ing the lower limit, upper limit, and drop probability denominator fo
To perform this configuration, make sure DSCP-based WRED has been enabled with the wred dscp
command.
Disabling WRED also removes the wred dscp command configuration.
emovi
R ng the queue af or queu
par ameter s.
To configure the lower limit, upper limit
Step
1. Enter system view.
2. Create a traffic behavior and
enter traffic behavior view.
g WRED, configure the queue af or queue wfq command.
Command
system-view
traffic behavior
behavior-name
wred [ dscp |
ip-precedence ]
ED to calculate the average queu
a traffic behavior and
gth command are mutually xclusive.
ED co nfigurations ar
nt, make sure the queue af or
s been used to e nable WRED.
Command
system-view
traffic behavior behavior-name
wred weighting-constant
exponent
e wfq com
mand configuration
, and drop probability denominator for a DSCP value in WRED:
Command
system-view
traffic behavior behavior-name
55
e
e deleted.
Remarks
N/A
By default, no traffic behavior is created.
By default, WRED is not enabled.
queue wfq command has been
e size:
Remarks
N/A
By default, no traffic behavior is
created.
The default setting is 9.
r a DSCP value in WRED
also remo
ves the WRED-related
Remarks
N/A
By default, no traffic behavior is
created.