Specifications

Glossary-22
Tomonitornetworkperformance,RoamAboutSwitchManagercollectsRoamAboutSwitchand
APinformation,calculatesanddisplaysAPneighborrelationships,anddetectsanomalous
events—forexample,rogueaccesspoints.
roaming
Theabilityofawirelessuser(client)tomaintainnetworkaccesswhenmovingbetweenAccess
Points(APs).
Robust Security Network
SeeRSN.
Rogue Access Point
AnAccessPoint(AP)thatisnotauthorizedtooperatewithinawirelessnetwork.Rogueaccess
pointssubvertthesecurityofanenterprisenetworkbyallowingpotentiallyunchallengedaccessto
theenterprisenetworkbyanywirelessuser(client)inthephysicalvicinity.
rogue client
Auser(client)whoisnotrecognizedwithinanetwork,butwhogainsaccesstoitbyintercepting
andmodifyingtransmissionstocircumventthenormalauthorizationand authentication
processes.
RSA
Apublic‐keyalgorithmdevelopedin1977byRSADataSecurity,Inc.,usedforencryption,digital
signatures,andkeyexchange.
RSN
Robustsecuritynetwork.AsecurewirelessLAN(WLAN)basedonthedevelopingIEEE802.11i
standard.
RSSI
Receivedsignalstrengthindication.Thereceivedstrengthofanincomingradiofrequency(RF)
signal,typicallymeasuredindecibelsreferredto1 milliwatt(dBm).
scalability
Theabilitytoadapteasilytoincreasedordecreasedrequirementswithoutimpairingperformance.
Secure Hashing Algorithm
SeeSHA.
Secure Shell Protocol
SeeSSH.
Secure Sockets Layer protocol
SeeSSL.
Security ACL
Securityaccesscontrollist.Anorderedlistofrulestocontrolaccesstoandfromanetworkby
determiningwhethertoforwardorfilterpacketsthatareenteringorexitingit.Associatinga
securityACLwithaparticularuser,port,virtualLAN(VLAN),orvirtualportonaRoamAbout
Switchcontrols
thenetworktraffictoorfromtheuser,port,VLAN,orvirtualport.