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Руководство пользователя. Версия 2.0 Страница: 548

D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [548/741] 172936

BasicSetup

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

November2011 Page548

D‐LinkUWSUserManual

L2Distributed

TunnelingMode

ThedistributedL2tunnelingmodesupportsL3roamingforwirelessclientswithout

forwardinganydatatraffictotheDWS‐4000Seriesswitch.Usethemenutoenable

ordisablethemode.

L2tunnelingisrecommendedwhentheDWS‐4000Seriesswitchdoesnotsupport

hardwareforwardingaccelerationorh

ardware‐basedL2tunnels.

Note:

1. WhenthereisonlyoneswitchmanagingallAPsandthatswitchgoesdown,all

APsshutdowntheirradiosandthetunnelisterminated.Aftertheswitch

recoversandtheAPbecomesmanagedagain,theclientthatwaspreviously

tunnelingtrafficwillre‐associateandobtainanIPaddressonth

enetworkwhere

itscurrentlylocated.ThisIPaddresswillbedifferentfromtheIPaddressitwas

usingwhenitwastunneling,andthetrafficwillnotbetunneled.

2. IfthenetworkhaspeerswitchesandthetunnelisestablishedbetweentheAPs

managedbythepeerswit

chesthen,whenaswitchmanagingthehomeAPfails,

theswitchmanagingtheassociationAPdetectsthefailureandterminatesthe

tunnel.Atthispointtheclientisdisassociated .Whentheclientre‐associatesit

obtainsanewIPaddress.

3. IftheswitchmanagingtheassociationAPfails,thenthescena

rioisthesameas

initem1above.TheAPtakesdownallradiosandtheclientsdisassociate.

RADIUSAuthentication

ServerName

EnterthenameoftheRADIUSserverthattheVAPusesforAPandclient

authentications.Thenamecancontainupto32alphanumericchar

acters.Spaces,

underscor es,anddashesarealsopermitted.

AnyRADIUSinformationyouconfigureforthewirelessnetworkoverridestheglobal

RADIUSinformationconfiguredontheWirelessGlobalConfigurationpage.

TheswitchactsastheRADIUSclientandperformsallRADIUStransactionsonbehalf

oftheAPsandwirelessclients.

RADIUSAuthentication

ServerSt

atus

IndicateswhethertheRADIUSauthenticationserverisconfiguredfortheVAP.To

configureRADIUSserverinformation,gototheLAN>Security>RADIUS>Server

Configurationpage.

RADIUSAccounting

ServerName

EnterthenameoftheRADIUSserverthattheVAPusesforreportingwirelessclient

associationsanddisassociations.Thenameca

ncontainupto32alphanumeric

character s .Spaces,underscores,anddashesarealsopermitted.

AnyRADIUSinformationyouconfigureforthewirelessnetworkoverridestheglobal

RADIUSinformationconfiguredontheWirelessGlobalConfigurationpage.

RADIUSAccounting

ServerStatus

IndicateswhethertheRADIUSaccountingserverisconfigured.ToconfigureRADIUS

accountingser

verinformation,gotoLAN>Security>RADIUS>AccountingServer

Configuration.

RADIUSUseNetwork

Configuration

ThisfieldcontrolswhethertheVAPusesthenetworkRADIUSsettingsortheglobal

RADIUSsettings.

• Enable:UseRADIUSServersdefinedontheWirelessNetworkConfigurationpage.

• Disable:UseRADIUSserversdefinedontheWi

relessGlobalConfigurationpage.

RADIUSAccounting SelectthisoptiontoenableRADIUSaccountingforwirelessclients.

Table328:WirelessNetworkConfiguration(Cont.)

Field Description

D-Link DWS-4026 Руководство пользователя. Версия 2.0 онлайн [548/741] 172936

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