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426 Configuring Quality of Service
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•
Minimum Delay
— The queue is assigned to a strict priority policy, and traffic is assigned to
the highest priority queue.
•
Ingress Metering/Rate Limiting
— A maximum bandwidth value is specified beyond which
all traffic is dropped. This is done by setting a meter at the input for the maximum
bandwidth, and setting the excess policy to drop. In order to effectively configure this service,
the total bandwidth on a specific egress port cannot exceed the port rate.
Configuring QoS Global Parameters
The
QoS Global Parameters
page contains links to QoS pages on which QoS is enabled, DSCP
values and settings are remapped, network traffic is queued, and traffic classification is defined. To
open the page, click
Quality of Service
→
QoS Global Parameters
in the tree view.
Defining QoS Settings
Use the
QoS Global Settings
page to select the QoS mode, and to configure the default CoS for
incoming traffic on a selected interface. To open the
page, click
Quality of Service
→
QoS Global
Parameters
→
QoS Settings
in the tree view.
Figure 10-1. QoS Global Settings Page
QoS Mode
— Disables or enables basic or advanced QoS mode. Basic mode is enabled by default.
NOTE: When moving to and from basic or advanced QoS mode, some settings may be lost.
Interface
— The port or LAG for which the default CoS policy is defined.
Set Default CoS for Incoming Traffic To
— Determines the default CoS value for incoming
packets for which a VLAN tag is not defined. The possible field values are
0-7
. The default CoS is
0
.