Enterasys RoamAbout 3000 Guia do Utilizador Página 46

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Configuration
2-10 Planning and Managing Your Wireless Network
Authorization
Authorizationisthemethodforprovidinguserswithspecificrightstothenetworkbyassociating
attributevalue(AV)pairstotheuser.AAAauthorizationworksbyassemblingasetofattributes
thatdescribewhattheuserisauthorizedtoperform.Theseattributesarecomparedtothe
informationcontainedinalocal
databaseoronaRADIUSserverforagivenuserandtheresultis
returnedtotheRoamAboutswitchtodeterminetheusersactualcapabilitiesandrestrictions.
Youcanconfigure attributes,suchasthetimeofdayorspecificVLANaccess.Youcanalsocontrol
accessusingsecurityaccesscontrollists
(ACLs),MobilityProfiles
TM
,andLocationPolicies.
SecurityACLspermitordenytrafficbasedonIPprotocol,IPaddressesand,optionally,TCP or
UDPport.Theyalsocanbeusedtosetclassofservice(CoS)valuesinapacket.MobilityProfiles
containattributestoallowordenyaccesstospecificpartsofthe
networkforaspecificuseror
groupofusers.LocationPoliciesareanorderedlistoflocationpolicyrulesbasedonauserglob,
VLAN,and/orports.ALocationPolicycanbeconfiguredifyouneedtooverridetheconfigured
AAAuserauthorizationattributeslocallyforaspecificRoamAboutswitch.
Accounting
Accountingcollectsandsendsinformationusedforbilling,auditing,andreporting—forexample,
useridentities,connectionstartandstoptimes,thenumberofpacketsreceivedandsent,andthe
numberofbytestransferred.Youcantracksessionsthroughaccountinginformationstoredlocally
oronaremoteRADIUSserver.Asnetworkusersroam
throughoutthenetwork,accounting
recordstrackthemandtheirnetworkusage.
System and Administration Configuration
AMobilityDomainisacollectionofRoamAboutswitchesthatworktogethertosupportroaming
users.OneoftheRoamAboutswitchesisdefinedasaseeddevice,whichdistributesinformation
totheotherRoamAboutswitchesdefinedintheMobilityDomain.
AMobilityDomainallowsuserstoroamgeographicallyfromoneRoamAbout
switchtoanother
withoutlosingnetworkconnectivity.UsersconnectasamemberofaVLANthroughtheir
authorizedidentities.
YoucanaddswitchestoanetworkplanasmembersofaMobilityDomainorasstandalone
switches.Afteraswitchisadded,youcanmoveitintooroutofa
MobilityDomain.
YoucancreatethefollowingtypesofRoamAboutswitches:
•RBT8400
•RBT8200
•RBT8100
•RBT8110
PerformthefollowingtaskstocreateandinitiallyconfigureaRoamAboutswitch:
1. ConfigurebasicRoamAboutswitchproperties.
2. ConfigureRoamAboutswitchconnectioninformation.
3. Configurebootinformation.
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