Specifications

AP Overview
9-14 Configuring Access Points
Session Load Balancing
Youcanassignaccesspointstoaload‐balancinggroup.Aload‐balancinggrouphelpsreduce
congestionbydistributingclientsessionsamongtheaccesspointsinthegroup.Forexample,ifan
802.11b/gradiooperatingonchannel1issupportingmoresessionsthananeighboring802.11b/g
radiooperatingonchannel6,
theload‐balancingfeaturecanrejectassociationrequeststothe
radioonchannel1.
Tobalancethesessions,MSSrejectsanassociationrequestforanaccesspoint’sradioifthatradio
hasatleastfourmoreactivesessionsthantheradioofthesametypewiththeleastnumberof
activesessionswithinthegroup.Iftherejectedclientassociateswithanotheraccesspointinthe
samegroup,thesessionloadamongtheaccesspointsinthegroupbecomesmorebalanced.
Loadbalancingisbasedonlyonassociationrequestsfornewsessions.Addinganaccesspointtoa
groupdoesnot
affectsessionsthatarealreadyactiveontheaccesspoint.Inaddition,MSSdoes
notattempttorebalancesessionswhenaclientdisassociatesfromanaccesspoint.IfMSSrejects
anassociationrequestforload‐balancingreasonsbutnotforauthenticationreasons,therejection
doesnotcountasanauthentication
failure.
EnterasysNetworksrecommendsthatyouconfiguresmallgroupsandensurethatalltheradiosin
thegroupprovidecomparablecoveragewithinthesameservice area.
(Toconfigureaload‐balancinggroup,referto“ConfiguringaLoad‐BalancingGroup”on
page 9‐34.)
Service Profiles
AserviceprofilecontrolsadvertisementandencryptionforanSSID.Youcanspecifythe
following:
•WhetherSSIDsthatusetheserviceprofilearebeaconed
•WhethertheSSIDsareencryptedorclear(unencrypted)
•ForencryptedSSIDs,theencryptionsettings touse
•Thefallthruauthenticationtypeforusersthatarenotauthenticatedwith802.1Xor
MAC
authentication
Table 9‐2liststheparameterscontrolledbyaserviceprofileandtheirdefaultvalues.
Table 9-2 Defaults for Service Profile Parameters
Parameter Default Value Radio Behavior When Parameter Set To Default Value
auth-dot1x enable When the Wi-Fi Protected Access (WPA) information
element (IE) is enabled, uses 802.1X to authenticate WPA
clients.
attr No attributes
configured
Does not assign the SSID’s authorization attribute values to
SSID users, even if attributes are not otherwise assigned.
auth-fallthru none Denies access to users who do not match an 802.1X or MAC
authentication rule for the SSID requested by the user.
auth-psk disable Does not support using a preshared key (PSK) to
authenticate WPA clients.
beacon enable Sends beacons to advertise the SSID managed by the
service profile.