OLT2406 User’s Guide
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CHAPTER 21
Classifier
21.1 Classifier Overview
This chapter introduces and shows you how to configure the packet classifier on the OLT. It also discusses
Quality of Service (QoS) and classifier concepts as employed by the OLT.
21.1.1 What You Can Do
• Use the Classifier screen (Section 21.2 on page 174) to define the classifiers and view a summary of
the classifier configuration. After you define the classifier, you can specify actions (or policy) to act
upon the traffic that matches the rules.
21.1.2 What You Need to Know
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 classifier groups traffic into data flows according to specific criteria such as the source address,
destination address, source port number, destination port number or incoming port number. For
example, you can configure a classifier to select traffic from the same protocol port (such as Telnet) to
form a flow.
Configure QoS on the OLT 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 on a classified traffic flow (refer to Chapter 22
on page 180 to configure policy rules).
21.2 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 matches the rules. To configure policy rules, refer to Chapter 22 on
page 180.
Click Advanced Application > Classifier in the navigation panel to display the configuration screen as
shown.
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