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D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [339/741] 172936

ConfiguringDifferentiatedServices

D-Link UnifiedWiredandWirelessAccessSystem

November2011 Page339

D‐LinkUWSUserManual

Table204:DiffservClassConfigurationFields

Field Description

ClassSelector ToconfigureanewDiffServclass,selectCreate.Tomodifyorviewanexisting

class,selectthenameoftheclassfromthedropdownmenu.

ClassName Enteraclassname.Tocreateanewclass,selecttheclasstypeandclick

Submit.Torenameanexistingclass,clickRenameaf

teryouentertheclass

name.

ClassType Listsalloftheclasstypes.Currentlythehardw aresupportsonlytheClassType

valueAll,whichmeansallthevariousmatchcriteriadefinedfortheclass

shouldbesatisfiedforapacketmatch.AllsignifiesthelogicalANDofallthe

matchcrit

eria.

ClassLayer3Protocol TheDiffServfeaturesupportsclassificationofIPv4packetsonly.

ClassMatchSelector Themenulistsallmatchcriteriayoucanaddtoaspecifiedclass.Toconfigure

thecriteria,selectamatchcriteriafromthelist,andthenclickAddMatch

Criteria.Thescreenchangestothecrit

eriaconfigurationpageforthatclass.

Afteryouconfigurethecriteria,clickSubmittoapplythecriteriatotheclass

andreturntotheClassConfigurationpage.ToreturntotheClass

Configurationpagewithoutapplyingthecriteria,clickCancel.Thematch

criteriaandconfigurablefieldsareasfollows:

• DestinationIPAddress:Re

quiresapacket’ sdestinationIPaddressto

matchtheaddresslistedhere.IntheIPAddressfield,enteravalid

destinationIPaddressindotteddecimalformat.IntheIPMaskfield,enter

avalidsubnetmasktodeterminewhichbitsintheIPaddressare

significant.Notetha

tthisisnotawildcardmask.

• DestinationLayer4Port:Requiresapacket’sTCP/UDPdestinationportto

matchtheportyouselect.SelectthedesiredL4keywordfromtheliston

whichtherulecanbebase d.IfyouselectOther,thescr eenrefreshesand

aPortIDfieldappears.E

nterauser‐definedPortIDbywhichpacketsare

matchedtotherule.Thevalidrangeis0–65535.

• Any:Allpacketsareconsideredtomatchthespecifiedclassandno

additionalinputinformationisneeded.

• IPDSCP:Matchesthepacket’sDSCPtotheclasscriteria’swhenselected.

SelecttheDSCPtypefromthemenuorenteraDSCPvaluetomatch.Ifyou

selectOther,enteracustomv

alueintheDSCPValuefieldthatappears.

Thevalidrangeis0–63.

• IPPrecedence:Matchesthepacket’sIPPrecedencevaluetotheclass

criteria’swhenEnteravalueintherangeof0–7.

• IPTOS:Matchesthepacket’sTypeofServicebitsintheIPheadertothe

classcriteria’swh

enselectedandavalueisentered.IntheTOSBitsfield,

enteratwo‐digithexadecimalnumbertomatchthebitsinapacket’sTOS

field.IntheTOSMaskfield, specifythebitpositionsthatareusedfor

comparisonagainsttheIPTOSfieldinapacket.

D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [339/741] 172936

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