Specifications

Glossary-4
authentication mobility
Theabilityofauser(client)authenticatedviaExtensibleAuthenticationProtocol(EAP)—plusan
appropriatesubprotocolandbackendauthentication,authorization,andaccounting(AAA)
service—toroamtodifferentAccessPoints(APs)withoutreauthentication.
authentication server
Anentitythatprovidesanauthenticationservicetoanauthenticator.Fromthecredentials
providedbyaclient(orsupplicant),theauthenticationservic edetermineswhetherthesupplicantis
authorizedtoaccesstheservicesoftheauthenticator.InanEnterasysNetworksMobilitySystem,
oneormoreRADIUSserverscanactasauthentication
servers.
authenticator
Adevicethatauthenticatesaclient.InanEnterasysNetworksMobilitySystem,theauthenticator
isaRoamAboutSwitch.
baseline association rate
Avalue setinEnterasysRoamAbou tSwitchManagertohelpplanAccessPoint(AP)coverageina
network.Thebaselineassociationrateistheaveragedatatransmissionrateatwhichyouwant
typicalmobileclientsinthecoverageareatoassociatewiththeaccesspoint(s).
Basic Service Set
SeeBSS.
Basic Service Set Identifier
SeeBSSID.
bias
ThepriorityofoneRoamAbou tSwitchoverotherRoamAboutswitchesforbooting,configuring,
andprovidingdatatransferforaAccessPoint(AP).Biascanbesettoeitherloworhighoneach
RoamAboutSwitchandishighbydefault.BiasappliesonlytoRoamAboutswitchesthatare
indirectlyattached
totheAPthroughanintermediateLayer 2orLayer 3network.AnAPalways
attemptstobootonAPport1first
BSS
Basicserviceset.AsetofwirelessstationsthatcommunicatewithoneanotherthroughanAccess
Point(AP).
BSSID
Basicservicesetidentifier.The48bitmediaaccesscontrol(MAC)addressoftheradiointheAccess
Point(AP)thatservesthestationsinabasicserviceset(BSS).
CA
SeeCertificateAuthority(CA).
CBC-MAC
SeeCCMP.
CCI
Cochannelinterference.Obstructionthatoccurswhenonesignalonaparticularfrequency
intrudesintoacellthatisusingthatsamefrequencyfortransmission.Inmulticellnetworks,
systemsaredesignedtominimizeCC Ithroughappropriatetransmissionpowerandchannel
selection.