rfc1213-MIB-II

NetworkWorkingGroupK.McCloghrieRequestforComments:1213HughesLANSystems,Inc.Obsoletes:RFC1158M.RosePerformanceSystemsInternationalEditorsMarch1991ManagementInformationBaseforNetworkManagementofTCP/IP-basedinternets:MIB-IIStatusofthisMemoThismemodefinesthesecondversionoftheManagementInformationBase(MIB-II)forusewithnetworkmanagementprotocolsinTCP/IP-basedinternets.ThisRFCspecifiesanIABstandardstrackprotocolfortheInternetcommunity,andrequestsdiscussionandsuggestionsforimprovements.PleaserefertothecurrenteditionoftheIABOfficialProtocolStandardsforthestandardizationstateandstatusofthisprotocol.Distributionofthismemoisunlimited.TableofContents1.Abstract...............................................22.Introduction..........................................23.ChangesfromRFC1156.................................33.1DeprecatedObjects...................................33.2DisplayStrings......................................43.3PhysicalAddresses...................................43.4TheSystemGroup.....................................53.5TheInterfacesGroup.................................53.6TheAddressTranslationGroup........................63.7TheIPGroup.........................................63.8TheICMPGroup.......................................73.9TheTCPGroup........................................73.10TheUDPGroup.......................................73.11TheEGPGroup.......................................73.12TheTransmissionGroup..............................83.13TheSNMPGroup......................................83.14ChangesfromRFC1158..............................94.Objects...............................................104.1FormatofDefinitions................................105.Overview..............................................106.Definitions...........................................126.1TextualConventions..................................126.2GroupsinMIB-II.....................................136.3TheSystemGroup.....................................13SNMPWorkingGroup[Page1]RFC1213MIB-IIMarch19916.4TheInterfacesGroup.................................166.5TheAddressTranslationGroup........................236.6TheIPGroup.........................................266.7TheICMPGroup.......................................416.8TheTCPGroup........................................466.9TheUDPGroup........................................526.10TheEGPGroup.......................................546.11TheTransmissionGroup..............................606.12TheSNMPGroup......................................607.Acknowledgements......................................678.References............................................699.SecurityConsiderations...............................7010.Authors'Addresses...................................701.AbstractThismemodefinesthesecondversionoftheManagementInformationBase(MIB-II)forusewithnetworkmanagementprotocolsinTCP/IP-basedinternets.Inparticular,togetherwithitscompanionmemoswhichdescribethestructureofmanagementinformation(RFC1155)alongwiththenetworkmanagementprotocol(RFC1157)forTCP/IP-basedinternets,thesedocumentsprovideasimple,workablearchitectureandsystemformanagingTCP/IP-basedinternetsandinparticulartheInternetcommunity.2.IntroductionAsreportedinRFC1052,IABRecommendationsfortheDevelopmentofInternetNetworkManagementStandards[1],atwo-prongstrategyfornetworkmanagementofTCP/IP-basedinternetswasundertaken.Intheshort-term,theSimpleNetworkManagementProtocol(SNMP)wastobeusedtomanagenodesintheInternetcommunity.Inthelong-term,theuseoftheOSInetworkmanagementframeworkwastobeexamined.Twodocumentswereproducedtodefinethemanagementinformation:RFC1065,whichdefinedtheStructureofManagementInformation(SMI)[2],andRFC1066,whichdefinedtheManagementInformationBase(MIB)[3].BothofthesedocumentsweredesignedsoastobecompatiblewithboththeSNMPandtheOSInetworkmanagementframework.Thisstrategywasquitesuccessfulintheshort-term:Internet-basednetworkmanagementtechnologywasfielded,byboththeresearchandcommercialcommunities,withinafewmonths.Asaresultofthis,portionsoftheInternetcommunitybecamenetworkmanageableinatimelyfashion.AsreportedinRFC1109,ReportoftheSecondAdHocNetworkManagementReviewGroup[4],therequirementsoftheSNMPandtheOSISNMPWorkingGroup[Page2]RFC1213MIB-IIMarch1991networkmanagementframeworksweremoredifferentthananticipated.Assuch,therequirementforcompatibilitybetweentheSMI/MIBandbothframeworkswassuspended.Thisactionpermittedtheoperationalnetworkmanagementframework,theSNMP,torespondtonewoperationalneedsintheInternetcommunitybyproducingthisdocument.Assuch,thecurrentnetworkmanagementframeworkforTCP/IP-basedinternetsconsistsof:StructureandIdentificationofManagementInformationforTCP/IP-basedinternets,RFC1155[12],whichdescribeshowmanagedobjectscontainedintheMIBaredefined;ManagementInformationBaseforNetworkManagementofTCP/IP-basedinternets:MIB-II,thismemo,whichdescribesthemanagedobjectscontainedintheMIB(andsupercedesRFC1156[13]);and,theSimpleNetworkManagementProtocol,RFC1098[5],whichdefinestheprotocolusedtomanagetheseobjects.