108 Chapter 3 Configuring Quality of Service (QoS) with the Web-based Management Interface2 In the System Classifier Element Creation section, edit the fieldsprovided to create the new classifier element. "System ClassifierElement Creation fields" (page 108) outlines the fields in this section.System Classifier Element Creation fieldsField DescriptionDst MAC AddressTypeThe destination MAC address type.Pattern The pattern data can be entered, or use thepattern data and mask byte template as a startingpoint for modifications. Existing classifiers (andthe associated referenced elements) can also beused, using the "Fill in" list, or typical protocolheader data fields, using the radio buttonsand check boxes to initialize the offset filteringcomponents.Session ID Specify the session ID.3 Click Submit.—End—Classifier ConfigurationsViewing Existing ClassifiersTo view existing classifiers, follow this procedure:Step Action1 Open the Classifiers screen by selecting Applications > QoS >QoS Advanced > Rules > Classifier. This screen is illustrated in"Classifiers screen" (page 109).Nortel Ethernet Routing Switch 4500 SeriesConfiguration — Quality of ServiceNN47205-504 (322816-B) 03.01 Standard5.1 23 November 2007Copyright © 2007, Nortel Networks.