Alcatel-Lucent 7950 Quality Of Service Manual page 371

create — Keyword used to create the queue group instance. The create keyword requirement can be
enabled/disabled in the environment>create context.
policer
Syntax policer policer-id [create]
no policer policer-id
Context config>qos>queue-group-templates>ingress>queue-group
config>qos>queue-group-templates>egress>queue-group
Description This command is used in ingress and egress queue-group templates to create, modify, or delete a policer.
Policers are created and used in a similar manner to queues. The policer ID space is separate from the queue
ID space, allowing both a queue and a policer to share the same ID. The ingress queue-group template may
have up to 32 policers (numbered 1 through 32) and may be defined, while the egress queue-group template
supports a maximum of 8 (numbered 1 through 8). While a policer may be defined in a queue-group
template, it is not actually created until the queue-group template is instantiated on the ingress context of a
forwarding plane or on the egress context of a port.
Once a policer is created, the policer's metering rate and profiling rates may be defined, as well as the
policer's maximum and committed burst sizes (MBS and CBS respectively). Unlike queues that have
dedicated counters, policers allow various stat-mode settings which define the counters that will be
associated with the policer. Another supported feature—packet-byte-offset—provides a policer with the
ability to modify the size of each packet based on a defined number of bytes.
Once a policer is created, it cannot be deleted from the queue-group template unless any forwarding classes
that are redirected to the policer are first removed.
The no version of this command deletes the policer.
Parameters
policer-id — The policer-id must be specified when executing the policer command. If the specified ID
already exists, the system enters that policer's context to allow the policer's parameters to be modified.
If the ID does not exist and is within the allowed range for the QoS policy type, a context for the policer
ID will be created (depending on the system's current create keyword requirements which may require
the create keyword to actually add the new policer ID to the QoS policy) and the system will enter that
new policer's context for possible parameter modification.
Values
Values
fc
Syntax fc fc-name [create]
no fc fc-name
Context config qos>queue-group-templates>egress>queue-group-template
Description
The fc command is used to enter the forwarding class mapping context for the given fc-name. Each
forwarding class has a default mapping depending on the egress queue group template. The system created
7950 XRS Quality of Service Guide
1—32 egress
1—8 egress
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