Queue-Depth Command; Syntax Description; Queue-Depth Command History; Usage Guidelines For The Queue-Depth Command - Cisco 10000 Series Configuration Manual
Quality of service configuration guide
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How the Router Determines VC Weights
queue-depth Command
To configure the segmentation and reassembly (SAR) line card queue depth for each VC interface queue,
use the queue-depth command in ATM PVC configuration mode. To remove a queue-depth setting, use
the no form of the command. By default, no line card queue depth is set.
queue-depth hwm lwm
no queue-depth hwm lwm
Syntax Description
hwm
lwm
queue-depth Command History
Cisco IOS Release
Release 12.3(7)XI1
Release 12.2(28)SB
Release 12.2(31)SB2
Usage Guidelines for the queue-depth Command
Configure the SAR line card queue depths for each VC above the weight you configure for the VC.
weight Command
To control virtual circuit (VC) bandwidth when the virtual path (VP) is congested, use the weight
command in PVC, PVC range, or ATM VC-class configuration mode. This command defines the weight
of a VC or changes the default weight. To restore the default weight, use the no form of the command.
weight weight_value
no weight weight_value
Syntax Description
weight_value
Cisco 10000 Series Router Quality of Service Configuration Guide
15-24
The high watermark.
The low watermark.
Description
The queue-depth command was introduced on the PRE2.
This command was integrated in Cisco IOS Release 12.2(28)SB for the
PRE2.
This command was introduced on the PRE3.
The number of cells that a VC can send to the VP tunnel before the SAR
mechanism moves on to the next VC. A high value has a high VC priority
in the VP scheduler. Valid values are from 1 to 255 (PRE2) and 1 to 1000
(PRE3).
Note
We recommend that you do not configure the weight_value below
10 (PRE2).
Chapter 15
Oversubscribing Physical and Virtual Links
OL-7433-09
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