SNMP Reference Guide - audiocodes.com

1 | ,duetoongoingproductimprovementsandrevis ions, :August-15-2021 WEEEEUD irectivePursuanttotheWEEEEUD irective, , (suggestionsorerrors)regardingthisdocume nt, 'sManualMediant500 LMSBRUser'sManual-ii-NoticeMSBR|SNMPR eferenceGuideDocumentNameMediant800 MSBRUser' ;numberoftrapvarbinds(13);acBoardTrapGlo balsSystemSerialNumber(new);acLicensePoo lInfraAlarm(updated);acLicensePoolApplic ationAlarm(updated);acLicensePoolOverAll ocationAlarm(updated);acTrackIdStateChan geAlarm(new);acModuleServiceAlarm;acClus terBandwidthAlarm(new);acSBAS ervicesStatusAlarm(updated);acKeepAlive( updated);acProxyConnectivity(updated)523 81 SBA-relatedSNMP removed(addedtoSBAdocuments).52383 Typos;varbindsincreasedto16(new-acBoardT rapGlobalsDeviceName,acBoardTrapGlobalsD eviceInfo,acBoardTrapGlobalsDeviceDescri ption);acLicensePoolInfraAlarm(descripti onupdated);acLicensePoolApplicationAlarm (descriptionupdated);acLicenseKeyHitless UpgradeAlarm(new)52384 SourcenamesaddedforPMMIB names;eventsourceaddedtoacPerformanceMon itoringThresholdCrossing;descriptionupda tedforentConfigChange52385 SourcenameforacPMSBCIPG roupInCallEstablishedDurationTable;Media TranscodingClusterremoved52386 Updateddescriptions:acPowerSupplyAlarm;a cHwFailureAlarm;acHASystemFaultAlarm; :acHAEthernetGroupAlarm;acHANetworkMisma tchAlarm;acNGINXC onfigurationIsInvalidAlarm;acNGINXP processIsNotRunningAlarmUpdatedtraps:acH wFailureAlarm;acHASystemFaultAlarm;acHAN etworkMonitorAlarm(OID);acHTTPP roxyServiceAlarm-iii-NoticeMSBR| :AcPowerSupplyAlarm;acBoardTemperatureAl arm;acCertificateExpiryNotificationchang edtoacCertificateExpiryAlarm;acLicensePo olApplicationAlarm.

2 AcIpGroupNoRouteAlarm;acIDSP olicyAlarm;acKeepAliveNewtraps:acCloudLi censeManagerAlarm; ;acNATT raversalAlarmremoved52394 OIDsofperformancemonitoringMIBs;acProxyC onnectionLostupdated(severity); ;coderenumsforacPMChannelsPerCoderTable; newacAnalogLineLeftOffhookAlarm;acIpGrou pNoRouteAlarm(descriptionupdated);newPMM IBs(acPMActiveContextCountTable,acPMSBCI nAttemptedCallsTable,acPMSBCOutAttempted CallsTable,acPMSBCInEstablishedCallsTabl e,acPMSBCOutEstablishedCallsTable,acPMSB CM ediaBrokenConnectionCallsTable,acPMSBCIn ShortCallsTable,acPMSBCOutShortCallsTabl e,acPMSBCInAttemptedRegistrationsTable,a cPMSBCOutAttemptedRegistrationsTable,acP MSBCInSuccessfulRegistrationsTable,acPMS BCOutSuccessfulRegistrationsTable,acPMSB CIPG roupMediaBrokenConnectionCallsTable,acPM SBCIPG roupInShortCallsTable,acPMSBCIPG roupOutShortCallsTable,acPMSBCIPG roupInAttemptedRegistrationsTable,acPMSB CIPG roupOutAttemptedRegistrationsTable,acPMS BCIPG roupInSuccessfulRegistrationsTable,acPMS BCIPG roupOutSuccessfulRegistrationsTable,acPM SBCSRDInAttemptedCallsTable,acPMSBCSRDOu tAttemptedCallsTable,acPMSBCSRDInEstabli shedCallsTable,acPMSBCSRDOutEstablishedC allsTable,acPMSBCSRDM ediaBrokenConnectionCallsTable,acPMSBCSR DInShortCallsTable,acPMSBCSRDOutShortCal lsTable.)

3 AcPMSBCSRDInAttemptedRegistrationsTable, acPMSBCSRDOutAttemptedRegistrationsTable ,acPMSBCSRDInSuccessfulRegistrationsTabl e,acPMSBCSRDOutSuccessfulRegistrationsTa ble,acPMSBCInUserDefinedFailures<1-26>Table,-iv-NoticeMSBR|SNMPR eferenceGuideLTRTD escriptionacPMSBCOutUserDefinedFailures<1-26>Table,cPMSBCSRDInUserDefinedFailures<1-26>Table,acPMSBCSRDOutUserDefinedFailures<1-26>Table,acPMSBCIPG roupInUserDefinedFailures<1-26>Table,acPMSBCIPG roupOutUserDefinedFailures<1-26>Table,acPMSBCInCapsTable,acPMSBCOutCapsT able,acPMSBCSrdInCapsTable, ; ;AcDSPF armsMismatchAlarm(new);acRemoteMonitorin gAlarm(new);acBoardEvResettingBoard(text updated);acMtcmClusterHaAlarm(updated);a cMtceNetworkFailureAlarm(updated);acMtce SwUpgradeFailureAlarm(updated);acMediaCl usterAlarm(new). ;acFloatingLicenseAlarm(new);acCloudLice nseManagerAlarm(new);acWirelessCellularM odemStatusChanged(updatedforLTE)Miscella neoustypos;acBoardEthernetLinkAlarm(desc ription);acEthernetGroupAlarm(descriptio n);acFeatureKeyError(notsupportednoterem oved).

4 |SNMPR eferenceGuideTableofContents1 Introduction12 SNMPO verview2 SNMPS tandardsandObjects2 SNMPM essageStandard2 SNMPMIBO bjects3 SNMPE xtensibilityFeature4 SupportedMIBs4 SNMPI nterfaceDetails8 SNMPC ommunityNames8 ConfiguringCommunityStringsviatheWeb9 ConfiguringCommunityStringsviatheiniFile 9 ConfiguringCommunityStringsviaSNMP9 SNMPv3 USMU sers11 ConfiguringSNMPv3 UsersviainiFile11 ConfiguringSNMPv3 UsersviaSNMP13 TrustedManagers14 ConfiguringTrustedManagersviainiFile14 ConfiguringTrustedManagersviaSNMP14 SNMPP orts16 MultipleSNMPTrapDestinations16 ConfiguringTrapManagersviaHostName16 ConfiguringTrapManagersviainiFile17 ConfiguringSNMPE ngineID18 ConfiguringTrapManagersviaSNMP183 Carrier-GradeAlarmSystem20 ActiveAlarmTable20 AlarmHistory204 TopologyMIBO bjects21 PhysicalEntity(RFC2737)21IF-MIB(RFC2863) 21 EthernetInterface21DS1 Interface23 BRII nterface24 ADSL/VDSLI nterface25 VLANI nterface26 MIB-IICounters275 FileManagement30 DownloadingaFiletotheDevice30 UploadingandDeletingaFile306 PerformanceMonitoring32-vi-ContentMSBR|S NMPR eferenceGuideSNMPP erformanceMonitoringMIBs37 PerformanceMonitoringMIBsforIPNetworkInt erfaces38 PerformanceMonitoringMIBsforMediaRealms4 0 PerformanceMonitoringMIBsforVoIPCalls45 PerformanceMonitoringMIBsforSIPM essages50 PerformanceMonitoringMIBsforCallsperIPGr oup51 PerformanceMonitoringMIBsforGatewayAppli cation57IP-to-TelandTel-to-IPCalls57 Trunks62 TrunkGroups66 PerformanceMonitoringMIBsforSBCA pplication70 SBCS essions70 SBCC allsperIPGroup75 SBCC allsperSRD84 SBCC allsPerSecond87 PerformanceMonitoringMIBforDSPR esourceUtilization89 PerformanceMonitoringMIBsforData-RouterN etworking907 SNMPT raps93 StandardTraps93 ProprietaryTraps93 TrapVarbinds94 CustomizingTrap'sEnterpriseOID99 SNMPA larmsinSyslog99 SNMPA larms100

5 TrunkAlarms100 TrunkNear-EndLOSA larm100 TrunkNear-EndLOFA larm101 TrunkAISA larm102 TrunkFar-EndLOFA larm102DS1 LineStatusAlarm103B-ChannelAlarm104D-Cha nnelStatusAlarm105 NFASG roupAlarm106 BoardAlarms107 FatalErrorAlarm107 ConfigurationErrorAlarm108 SoftwareResetAlarm109 SoftwareUpgradeAlarm109 CallResourcesAlarm110 AllSIPP roxiesConnectionLostperProxySetAlarm111 ControllerFailureAlarm114 BoardOverloadAlarm116 AdministrationStatusChangeAlarm117 OperationalStatusChangeAlarm118-vii-Cont entMSBR|SNMPR eferenceGuideRemoteMonitoringAlarm119 TLSC ertificateExpiryAlarm120 LicenseKeyAlarms121 FeatureKeyErrorAlarm121 LicensePoolApplicationAlarm122 LicensePoolOver-AllocationAlarm124 LicensePoolInfrastructureAlarm125 CloudLicenseManagerAlarm127 NetworkAlarms129 ClockConfigurationAlarm130 NTPS erverStatusAlarm130 EthernetLinkAlarm131 WANLinkAlarm132 WirelessCellularModemAlarm133 LDAPLostConnectionAlarm134 OCSPS erverStatusAlarm134 TrackIDAlarm135 ActiveAlarmTableAlarm136 AnalogPortAlarms136 AnalogPortSPIOut-of-ServiceAlarm137 AnalogPortHighTemperatureAlarm137 AnalogPortGroundFaultOut-of-ServiceAlarm 138 AnalogLineLeftOff-hookAlarm139 MediaAlarms140 MediaProcessOverloadAlarm140 MediaRealmBandwidthThresholdAlarm141 CallQualityAlarms141 Answer-SeizureRatioThresholdAlarm141 AverageCallDurationThresholdAlarm142 NetworkEffectivenessRatioThresholdAlarm1 43 NoRoutetoIPGroupAlarm144 NetworkQualityMonitoring145 NQMC onnectivityAlarm145 NQMHighRTTA larm146 NQMHighJitterAlarm147 NQMHighPacketLossAlarm148 NQMLowConversationalMOSA larm149 NQMLowListeningMOSA larm150 IntrusionDetectionAlarms151 IDSP olicyAlarm151 SNMPE ventTraps(Notifications)152 IntrusionDetectionSystem(IDS)

6 153 IDST hresholdCrossNotificationTrap153 IDSB lacklistNotificationTrap153 WebUserAccessDeniedduetoInactivityTrap15 4-viii-ContentMSBR|SNMPR eferenceGuideWebUserActivityLogTrap155 Power-Over-EthernetStatusTrap155 Keep-AliveTrap156 PerformanceMonitoringThreshold-CrossingT rap157 HTTPD ownloadResultTrap158 WirelessCellularModemStatusChangedTrap15 8 DialPlanFileReplacedTrap159 SecureShell(SSH)ConnectionStatusTrap160 SIPP roxyConnectionLostperProxySetTrap160 ColdStartTrap162 AuthenticationFailureTrap162 BoardInitializationCompletedTrap162 ConfigurationChangeTrap163 LinkUpTrap163 LinkDownTrap163 EnhancedBITS tatusTrap1648 AdvancedSNMPF eatures165 SNMPNATT raversal165 Systems165 SNMPA dministrativeStateControl1669 GettingStartedwithSNMP167 BasicSNMPC onfigurationSetup167 ConfiguringSNMPPort167 ConfiguringTrapManagers(TrapDestination) 167 ConfiguringTrapDestinationPort169 ConfiguringTrustedManagers169 GettingAcquaintedwithAudioCodesMIBs171 TrapsandAlarms173 DeviceConfiguration173 CarrierGradeAlarm(CGA)174-ix-CHAPTER 1 IntroductionMSBR|SNMPR eferenceGuide1 IntroductionThisdocumentprovidesyouwiths upplementaryinformationonSimpleNetworkMa nagementProtocol( snmp ) 'sUser'sManual,andincludesSNMP configuration, snmp traps(eventsandalarms),andSNMP performancemonitoringMIBs.

7 TheSNMPMIB manualissuppliedintheSoftwareReleasePack agedeliveredwiththedevice. Forlargedeployments(forexample,multipled evicesingloballydistributedenterpriseoff ices)thatneedtobemanagedbycentralpersonn el,itisrecommendedtouseAudioCodesOneVoic eOperationsCenter(OVOC).OVOC isnotincludedinthedevice' 2 SNMPO verviewMSBR|SNMPR eferenceGuide2 SNMPO verviewSimpleNetworkManagementProtocol(S NMP) ,usuallyimplementedbyathird-partyNetwork ManagementSystem(NMS)orAudioCodesOneVoic eOperationsCenter(OVOC),connectstoanSNMP A gent(embeddedonaremoteNetworkElement(NE) toperformnetworkelementOperation,Adminis tration,Maintenance,andProvisioning(OAMP ). (MIB), , snmp additionallyenablestheuseofproprietaryMI Bs,containingnon-standardinformationset( specificfunctionalityprovidedbytheNetwor kElement).Directives,issuedbytheSNMPM anagertoanSNMPA gent,consistoftheidentifiersofSNMP variables(referredtoasMIBobjectidentifie rsorMIBvariables)alongwithinstructionsto eithergetthevalueforthatidentifier,orset theidentifiertoanewvalue(configuration). )

8 TheSNMPA gentcanalsosendunsolicitedeventstowardsa nEMS, ,writteninAbstractSyntaxNotation( )format, (suchastheIPMIB),VoP-specificMIBs(suchas RTP)andproprietaryMIBs(acGateway,acAlarm ,acMedia,acControl,andacAnalogMIBs) : Get:Arequestthatreturnsthevalueofanamedo bject. Get-Next:Arequestthatreturnsthenextname( andvalue)ofthe"next"objectsupportedbyane tworkdevicegivenavalidSNMP name. Set:Arequestthatsetsanamedobjecttoaspeci ficvalue. : GetRequest:Specificvaluescanbefetchedvia the"get" ,manydifferentvaluesandparameterscan-2-C HAPTER 2 SNMPO verviewMSBR|SNMPR eferenceGuidebedeterminedviaSNMP withouttheoverheadassociatedwithloggingi ntothedevice,orestablishingaTCPconnectio nwiththedevice. GetNextRequest:EnablestheSNMP standardnetworkmanagersto"walk"throughal lSNMP valuesofadevice(viathe"get-next"request) todetermineallnamesandvaluesthatadevices upports. Get- ,fetchingthenextnamewitha"get-next",andr epeatingthisoperation. SetRequest:TheSNMP standardprovidesaactionmethodforadevice( viathe"set"request)toaccomplishactivitie ssuchasdisablinginterfaces,disconnecting users,clearingregisters, TrapMessage:TheSNMP standardfurnishesamechanismforadeviceto" reachout"toanetworkmanagerontheirown(via the trap"message) "ProtocolDataUnits"(PDUs) , "internet"directory,whichcontainsfourmai nSNMP branches: "mgmt":ContainsthestandardSNMP objectsusuallysupported(atleastinpart)by allnetworkdevices.

9 Private":Containsthose"extended" snmp objectsdefinedbynetworkequipmentvendors. "experimental"and"directory":Alsodefined withinthe"internet"rootdirectory, "tree"structuredescribedaboveisanintegra lpartoftheSNMP standard,thoughthemostpertinentpartsofth etreearethe"leaf" , snmp leafobjectscanbepartitionedintotwosimila rbutslightlydifferenttypesthatreflectthe organizationofthetreestructure: "Table"items(below)byaddinga .0"(dot-zero) "Discrete"items(above)byrequiringa"."(do t)extensiontotheir-3-CHAPTER 2 SNMPO verviewMSBR| "."(dot)extensionisthe"instance" "Discrete"objects, "Table"objects, , , , snmp definesthe"ifDescr"object(asastandardSNM P object) , , snmp objectsarealwaysgroupedinan"Entry"direct ory,withinanobjectwitha"Table"suffix.(Th e"ifDescr"objectdescribedaboveresidesint he"ifEntry"directorycontainedinthe"ifTab le"directory).SNMPE xtensibilityFeatureOneoftheprincipalcomp onentsofanSNMP managerisaMIBC ompiler, ,themanagerismade"aware" ,whenaMIBiscompiledintothesystem, "MIBB rowser", StandardMIB(MIB-2) ,TCPactivity,UDPactivity,IProutes,TCPcon nections,interfaces,andgeneralsystemdesc ription.

10 ThestandardicmpStatsTableandicmpMsgStats TableunderMIB-2supportICMP statisticsforbothIPv4andIPv6. TheinetCidrRouteTable(fromthestandardIP- FORWARD-MIB)supportsbothIPv4andIPv6. SystemMIB(underMIB-2):Standardsystemgrou p:sysDescr,sysObjectID,sysUpTime,sysCont act,sysName,sysLocation, 2 SNMPO verviewMSBR| ,thisisthenode'sfully-qualifieddomainnam e(FQDN).Ifthenameisunknown,thevalueisthe zero-lengthstring. Ifthe[HostName]inifileparameterisconfigu red,its'valueoverwritesthevalueofSNMPSys Name. HostResourcesMIB(RFC2790) : hrSystemgroup hrStoragegroup(basiconly) hrDevicegroup(CPU,RAM,Flash-basiconly) hrSWRunPerf(basiconly) hrSWInstalled(OSonly)TheHostResourcesMIB isapplicableonlytodata-routingfunctional ity. NotificationLogMIB:StandardMIB( )supportedforimplementationofCarrierGrad eAlarms. AlarmMIB:IETFMIB(RFC3877)Supportedaspart oftheimplementationofCarrierGradeAlarms. SNMPT argetMIB:(RFC2273)Allowsforconfiguration oftrapdestinationsandtrustedmanagers. SNMPMIB:(RFC3418)Allowssupportforthecold StartandauthenticationFailuretraps.