RADIUS
4-12 Advanced Configuration
– RADIUSAccountingenablesordisablestheAPtosendRADIUSaccountinginformation
forclientstotheRADIUS accountingserver.Default:Disable
– AccountingPortspecifiesthespecificdestinationportforRADIUSaccountingpackets.A
valuebetween1024and65535.Thisvaluemustmatchtheconfigurationofyourprimary
RADIUSaccountingserver.
Default:1813
– InterimUpdateTimeoutdetermineshowoftentosendaccountingupdatesfromtheaccess
pointtotheserverforthissession.ThisvaluecanbeoverriddenbytheRADIUSserver.
Default:3600seconds(onehour),Range:60seconds(oneminute)to86400seconds(one
day).
• SecondaryRadiusServerSetup
isusedtoconfigureasecondRADIUSservertoprovidea
backupincasetheprimaryserverfails.Theaccesspointusesthesecondaryserverifthe
primaryserverfailsorbecomesinaccessible.Oncetheaccesspointswitchesovertothe
secondaryserver,itperiodicallya ttemptstoestablishcommunicationagainwith
primary
server.Ifcommunicationwiththeprimaryserverisre‐established,thesecondaryserver
revertstoabackuprole.
TheRADIUSAccountingfeaturessupportedbythisaccesspointarestandardandnon‐vendor
specific.ForafullunderstandingofRADIUSAccountingattributessupported,refertoRFC2865.
Table 4‐2describesthe
RADIUSattributesthatareusedby theaccesspoint.
Table 4-2 RADIUS Attributes
RADIUS Accounting Attribute Description
Acct-Status-Type Contains the RADIUS Accounting message type:
•Start
•Stop
• Interim-Update
• Accounting-On
• Accounting-Off
Acct-Input-Octets Contains the cumulative input byte count for the
session.
Acct-Output-Octets Contains the cumulative output byte count for the
session.
Acct-Session-Id Contains a unique Accounting ID for a given
session.
Acct-Authentic Indicates the method used to authenticate, currently
only RADIUS is supported.
Acct-Session-Time Contains the time in seconds that the user has
received service.
Acct-Input-Packets Contains the cumulative input packet count for the
session.
Acct-Output-Packets Contains the cumulative output packet count for the
session.
User-Name Contains the user’s identity.
Class Sent by the server to the client in an Access-Accept
message.