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Page 751 / 998 Scroll up to view Page 746 - 750
Meter command reference
QOS
7-55
iMG/RG Software Reference Manual (Quality of Service)
See also
SCHEDULER LIST PROFILES
SCHEDULER SHOW PROFILE
7.1.6.2.6 SCHEDULER PROFILE SET QUEUE WEIGHT
Syntax
SCHEDULER PROFILE <name> SET QUEUE [1-7] WEIGHT <weight>
Description
This command configures a scheduler profile of WF2QPlus service discipline to configure
a separate queue for a scheduling priority level with the specified weight value. The
weight value is set as a percentage. The configured queue is identified by a
queueid
that is
the same value as the scheduling priority value.
The weight value configured for a scheduling priority level determines the share of band-
width received by packets belonging to the scheduling priority. A single queue with the
weight set to 100% is configured by default when the profile is created using the sched-
uler add profile command. Packets with scheduling priority 0 are always enqueued in the
default queue. You may configure weights for scheduling priority (1-7) using this com-
mand. If the weight for a scheduling priority level is configured, the corresponding packets
are enqueued in a separate queue and the bandwidth is allocated in accordance with the
configured weight. Otherwise, packets are enqueued in the default queue.
You cannot set the weight for the default queue directly. As you assign values to the other
queues (1-7), the default queue weight is decreased by that amount. The sum total of
weights of other queues cannot exceed 99%.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value for each option (if applicable).
Example
--> scheduler profile prioschlr set shaping 2000 10000
Option
Description
Default Value
name
An existing profile. To display names, use the
SCHED-
ULER LIST PROFILES
command.
N/A
1-7
The scheduling priority value or queue ID value. This
can be any number between 1 and 7 (included).
N/A
weight
Weight value in percentage. You cannot set weight to
more than 99 for a queue. In addition, the sum total of
all weight values you configure cannot be more than 99.
To display weight value for scheduler profile queues, use
the
SCHEDULER PROFILE SHOW QUEUES
command.
N/A
Page 752 / 998
QOS
Meter command reference
iMG/RG Software Reference Manual (Quality of Service)
7-56
See also
SCHEDULER LIST PROFILES
SCHEDULER SHOW PROFILE
7.1.6.2.7 SCHEDULER PROFILE SET QUEUE ALD PROFILE
Syntax
SCHEDULER PROFILE <name> SET QUEUE {DEFAULT | [1-7]} ALD
PROFILE <GreenProfile> [<YellowProfile> <Red Profile>]
Description
This command associates a scheduler profile queue with an
Algorithmic Dropper
(ALD)
profile. ALD is a congestion control mechanism. The dropper associated with a particu-
lar scheduler profile decided at the time of packet enqueuing whether the packet should
be enqueued in the queue or dropped. The ALD profile is created using the ald add pro-
file command.
Each configured queue can have one of the following ALD algorithms associated with it:
•
RED (
Random Early Detection
); applied if only one (green) ALD profile is config-
ured.
•
WRED (
Weighted RED
); treats packets differently depending on the drop priorities
assigned to packets by the classifier profile set rule droppri command, or assigned by
meter on the basis of metering results. Note that meter always sets the drop prior-
ity in the packet. Green is the lowest drop priority (0), yellow is the medium drop
priority (1) and red is the highest drop priority (2). The WRED algorithm is applied
if three ALD profiles (green, yellow and red; one for each drop priority) are config-
ured.
Note:
If the scheduler profile uses the WF2Q+ service discipline, the weight of the queue must be set to a non-
zero value before you can associate an ALD profile. See
SCHEDULER PROFILE SET QUEUE
WEIGHT
Options
The following table gives the range of values for each option that can be specified with
this command and a default value for each option (if applicable).
Option
Description
Default Value
name
An existing profile. To display names, use the
SCHEDULER LIST PROFILES
command.
N/A
default
The default priority value. See the
SCHEDULER
ADD PROFILE
command description.
N/A
Page 753 / 998
Meter command reference
QOS
7-57
iMG/RG Software Reference Manual (Quality of Service)
Example
--> scheduler profile prioschlr set queue 1 ald profile ald1
--> scheduler profile prioschlr set queue 1 ald profile ald1 ald2 ald3
See also
SCHEDULER LIST PROFILES
SCHEDULER PROFILE SET QUEUE WEIGHT
METER SET PROFILE ACTION DROP
7.1.6.2.8 SCHEDULER PROFILE SET QUEUE ALD DISABLED
Syntax
SCHEDULER PROFILE <name> SET QUEUE {DEFAULT | [1-7]} ALD DIS-
ABLED
Description
This command disables the
Algorithmic Dropper
(ALD) on a specified scheduler profile
queue.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value for each option (if applicable).
1-7
The scheduling priority value or queue ID value (cre-
ated using the
SCHEDULER PROFILE SET
QUEUE WEIGHT
command) that you want to
associate the ALD profile with. This can be any num-
ber between 1 and 7 (included).
N/A
GreenProfile
An existing ALD profile. This is the only profile
required if the RED algorithm is used. If you are using
the WRED algorithm, this ALD profile is applied to
packets with green drop priority. To display ALD pro-
files, use the
ALD LIST PROFILES
command.
N/A
YellowProfile
An existing ALD profile. If you are using the WRED
algorithm, this ALD profile is applied to packets with
yellow drop priority. To display ALD profiles, use the
ALD LIST PROFILES
command.
N/A
RedProfile
An existing ALD profile. If you are using the WRED
algorithm, this ALD profile is applied to packets with
red drop priority. To display ALD profiles, use the
ALD LIST PROFILES
command.
N/A
Option
Description
Default Value
Page 754 / 998
QOS
Meter command reference
iMG/RG Software Reference Manual (Quality of Service)
7-58
Example
--> scheduler profile prioschlr set queue 1 disabled
See also
SCHEDULER LIST PROFILES
SCHEDULER PROFILE SET QUEUE WEIGHT
SCHEDULER PROFILE SET QUEUE ALD PROFILE
METER SET PROFILE ACTION DROP
7.1.6.2.9 SCHEDULER SHOW PROFILE
Syntax
SCHEDULER SHOW PROFILE <name>
Description
This command displays the following information about an existing scheduler profile.
•
Type of service discipline set
•
Maximum Rate of traffic
•
Maximum Burst Size (MBS) of traffic
Options
The following table gives the range of values for each option that can be specified with
this command and a default value for each option (if applicable).
Example
--> scheduler show profile prioschlr
Type
: priority
MaxRate (kbps)
: 2000
MaxBurst (bytes) : 10000
Option
Description
Default Value
name
An existing profile. To display names, use the
SCHED-
ULER LIST PROFILES
command.
N/A
default
The default priority value. See the
SCHEDULER ADD
PROFILE
command description.
N/A
1-7
The scheduling priority value or queue ID value (created
using the
SCHEDULER PROFILE SET QUEUE
WEIGHT
command) that the ALD profile is associated
with. This can be any number between 1 and 7 (included).
N/A
Option
Description
Default Value
name
An existing profile. To display names, use the
SCHED-
ULER LIST PROFILES
command.
N/A
Page 755 / 998
Meter command reference
QOS
7-59
iMG/RG Software Reference Manual (Quality of Service)
See also
SCHEDULER LIST PROFILES
SCHEDULER ADD PROFILE
SCHEDULER SET PROFILE SHAPING
7.1.6.2.10 SCHEDULER SHOW PROFILE QUEUES
Syntax
SCHEDULER SHOW PROFILE <name> QUEUES
Description
This command displays the following information about the queues of an existing sched-
uler profile.
•
Queue ID number (0-7)
•
Weight value (percentage)
•
ALD Green Profile name
•
ALD Yellow Profile name
•
ALD Red Profile name
Options
T
he following table gives the range of values for each option that can be specified with
this command and a default value for each option (if applicable).
Example
--> scheduler show profile prioschlr show queues
Queues:
QueueId | Weight | ALD Green Profile | ALD Yellow Profile | ALD Red Profile
--------|--------|-------------------|--------------------|---------
0
| 0
| ald1
|
|
1
| 0
| ald1
| ald2
| ald3
2
| 0
|
|
|
3
| 0
|
|
|
4
| 0
|
|
|
5
| 0
|
|
|
6
| 0
|
|
|
7
| 0
|
|
|
--------------------------------------------------------------------
See also
SCHEDULER LIST PROFILES
SCHEDULER ADD PROFILE
SCHEDULER PROFILE SET QUEUE WEIGHT
SCHEDULER PROFILE SET QUEUE ALD PROFILE
Option
Description
Default Value
name
An existing profile. To display names, use the
SCHED-
ULER LIST PROFILES
command.
N/A

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