Specifications

Configuring RADIUS Servers
18-4 Configuring Communication with RADIUS
Configuring Global RADIUS Defaults
YoucanchangeRADIUSvaluesgloballyandsetaglobalpassword(key)withthefollowing
command.ThekeystringisthesharedsecretthattheRoamAboutswitchusestoauthenticate
itselftotheRADIUSserver.
set radius {deadtime minutes | encrypted-key string | key string | retransmit number | timeout seconds}
(TooverrideglobalsettingsforindividualRADIUSservers,usethesetradiusservercommand.
See“ConfiguringIndividualRADIUSServers”onpage 18‐5.)
Examples
Thefollowingcommandssetthedead‐timetimerto10 minutesandsetthepasswordtor8gneyfor
allRADIUSserversintheRoamAboutswitchconfiguration:
RBT-8100# set radius deadtime 10
success: change accepted.
RBT-8100# set radius key r8gney
success: change accepted.
ToresetglobalRADIUSserversetting stotheirfactorydefaults,usethefollowingcommand:
clear radius {deadtime | key | retransmit | timeout}
Forexample,thefollowingcommandresetsthedead ‐timetimerto0minutesonallRADIUS
serversintheRoamAboutswitchconfiguration:
RBT-8100# clear radius deadtime
success: change accepted.
Setting the System IP Address as the Source Address
Bydefault,RADIUSpacketsleavingtheRoamAboutswitchhavethesourceIPaddressofthe
outboundinterfaceontheswitch.Thissou rceaddresscanchangewhenroutingconditions
change.IfyouhavesetasystemIPaddressfortheRoamAboutswitch,youcanuseitasa
permanentsourceaddressfor
theRADIUSpacketssentbytheswitch.
TosettheRoamAboutswitchsystemIPaddressastheaddressoftheRADIUSclient,typethe
followingcommand:
RBT-8100# set radius client system-ip
success: change accepted.
ToremovetheRoamAboutSwitch’ssystemIPaddressfromuseasthesourceaddressinRADIUS
clientrequestsfromtheswitchtoitsRADIUSserver(s),typethefollowingcommand:
RBT-8100# clear radius client system-ip
success: change accepted.
ThecommandcausestheRoamAboutswitchtoselectasourceinterfaceaddressbasedon
informationinitsroutingtableastheRADIUSclientaddress.