Specifications

Glossary-15
location policy rule
AruleinthelocationpolicyonaRoamAboutSwitchthatgrantsordeniesasetofnetworkaccess
rightsbasedononeormorecriteria.LocationpolicyrulesuseausernameorVLANmembership
todeterminewhethertooverride—orsupply—authorizationattributesduringauthenticationand
toredirecttraffic.Locationpolicyrules
areprocessedintheorderinwhichtheyappearinthe
locationpolicy.Seealsolocationpolicy.
MAC
(1)Mediaaccesscontrol.SeeMACaddress.(2)Messageauthenticationcode.Akeyedhashusedto
verifymessageintegrity.Inakeyedhash,thekeyandthemessageareinputstothehashalgorithm.
SeealsoMIC.
MAC address
Mediaaccesscontroladdress.A6‐bytehexadecimaladdressthatamanufacturerassignstothe
Ethernetcontrollerforaport.Higher‐layerprotocolsusetheMACaddressattheMACsublayerof
theDataLinklayer(Layer 2)toaccessthephysicalmedia.TheMAC functiondeterminestheuse
ofnetworkcapacity
andthestationsthatareallowedtousethemediumfortransmission.
MAC address glob
AnEnterasys Networksconventionformatchingmediaaccesscontrol(MAC)addressesorsetsof
MACaddressesbymeansofknowncharactersplusa“wildcard”asterisk(*)characterthatstands
forfrom1byteto5bytesoftheaddress.Seealsouserglob;VLANglob.
MAC protocol data unit
SeeMPDU.
MAC Service Data Unit
SeeMSDU.
managed device
InanEnterasysNetworksMobilitySystemwirelessLAN(WLAN),aRoamAboutSwitchorAccess
Point(AP)underthecontroloftheRoamAboutSwitchManagertoolsuite.
master secret
Acodederivedfromthepre‐mastersecret.AmastersecretisusedtoencryptTransportLayer
Security(TLS)authenticationexchangesandalsotoderiveapairwisemasterkey(PMK).Seealso
PMK;pre‐mastersecret.
maximum transmission unit
SeeMTU.
MD5
Message‐digestalgorithm 5.Aone‐wayhashingalgorithmusedinmanyauthentication
algorithmsandalsotoderivecryptographickeysinmanyalgorithms.MD5takesamessageofan
arbitrarylengthandcreatesa128‐bitmessagedigest.
Media Access Control address
SeeMACaddress.
Message Authentication Code
SeeMAC.