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Quality of Service (QoS) Commands AT8404
AT8404 CLI Reference Manual Page 3 - 6
3.1.11 show interfaces cos-queue
This command displays the class-of-service queue configuration for the specified interface. The slot/port parameter
is optional and is only valid on platforms that support independent per-port class of service mappings. If specified,
the class-of-service queue configuration of the interface is displayed. If omitted, the most recent global configuration
settings are displayed.
If you specify the interface, the command also displays the following information.
3.1.12 show interface cos-counter
This command displays the number of COS dropped packets. The counter is incremented if packets are dropped
because of COS on egress side. The counter is shown for the specified interface. Note, that this counter can’t be
cleared on the hardware.
3.1.13 show packet-memory
This command displays the packet-memory limits. It displays some general values (the number of existing COS
queues and the number of available cells) and a table of the configured limits for all interfaces. The configured limits
consist of static cell limits for each COS queue, dynamic cell limit and low water mark. The cell limits are listed in
Term Definition
Non-IP Traffic
Class
The traffic class used for non-IP traffic. This is only displayed when the COS trust mode is set
to trust IP Precedence or IP DSCP (on platforms that support IP DSCP).
Untrusted Traffic
Class
The traffic class used for all untrusted traffic. This is only displayed when the COS trust mode
is set to 'untrusted'.
Format show interfaces cos-queue [<slot/port>]
Mode Privileged EXEC
Term Definition
Queue Id An interface supports n queues numbered 0 to (n-1). The specific n value is platform
dependent.
Minimum
Bandwidth
The minimum transmission bandwidth guarantee for the queue, expressed as a percentage.
A value of 0 means bandwidth is not guaranteed and the queue operates using best-effort.
This is a configured value.
Scheduler Type Indicates whether this queue is scheduled for transmission using a strict priority or a weighted
scheme. This is a configured value.
Queue
Management Type
The queue depth management technique used for this queue (tail drop).
Term Definition
Interface The slot/port of the interface. If displaying the global configuration, this output line is replaced
with a Global Config indication.
Interface Shaping
Rate
The maximum transmission bandwidth limit for the interface as a whole. It is independent of
any per-queue maximum bandwidth value(s) in effect for the interface. This is a configured
value.
Format show interface cos-counter <slot/port>
Mode Privileged EXEC
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