VES-1616F/1624F-44 User’s Guide
Chapter 19 Classifier
139
C
H A P T E R
19
Classifier
This chapter introduces and shows you how to configure the packet classifier on the switch.
19.1 Classifier Overview
Quality of Service (QoS) refers to both a network’s ability to deliver data with minimum
delay, and the networking methods used to control the use of bandwidth. Without QoS, all
traffic data is equally likely to be dropped when the network is congested. This can cause a
reduction in network performance and make the network inadequate for time-critical
application such as video-on-demand.
A layer-2 classifier groups traffic according to the Ethernet type, VLAN group, MAC address
and/or port number. A layer-3 classifier groups traffic according to the IP address and/or TCP/
UDP protocol number.
Configure QoS on the switch to group and prioritize application traffic and fine-tune network
performance. Setting up QoS involves two separate steps:
1
Configure classifiers to sort traffic into different flows.
2
Configure policy rules to define actions to be performed for a classified traffic flow (refer
to
19.2 Configuring a Classifier
Use the
Classifier
screen to define the classifiers. After you define the classifier, you can
specify actions (or policy) to act upon the traffic that match the rules. To configure policy
rules, refer to
Click
Advanced Application
and
Classifier
in the navigation panel to display the
configuration screen as shown.
Содержание VES-1616F-44
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