📄 rfc2037.mib
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"The transport service address by which the logical entity receives network management traffic, formatted according to the corresponding value of entLogicalTDomain. For snmpUDPDomain, a TAddress is 6 octets long, the initial 4 octets containing the IP-address in network-byte order and the last 2 containing the UDP port in network-byte order. Consult 'Transport Mappings for Version 2 of the Simple Network Management Protocol' (RFC 1906 [8]) for further information on snmpUDPDomain." ::= { entLogicalEntry 5 }entLogicalTDomain OBJECT-TYPE SYNTAX TDomain MAX-ACCESS read-only STATUS current DESCRIPTION "Indicates the kind of transport service by which the logical entity receives network management traffic. Possible values for this object are presently found in the Transport Mappings for SNMPv2 document (RFC 1906 [8])." ::= { entLogicalEntry 6 }entLPMappingTable OBJECT-TYPE SYNTAX SEQUENCE OF EntLPMappingEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains zero or more rows of logical entity to physical equipment associations. For each logical entity known by this agent, there are zero or more mappings to the physical resources which are used to realize that logical entity. An agent should limit the number and nature of entries in this table such that only meaningful and non-redundant information is returned. For example, in a system which contains a single power supply, mappings between logical entities and the power supply are not useful and should not be included. Also, only the most appropriate physical component which is closest to the root of a particular containment tree should be identified in an entLPMapping entry. For example, suppose a bridge is realized on a particular module, and all ports on that module are ports on this bridge. A mapping between the bridge and the module would be useful, but additional mappings between the bridge and each of the ports on that module would be redundant (since the entPhysicalContainedIn hierarchy can provide the same information). If, on the other hand, more than one bridge was utilizing ports on this module, then mappings between each bridge and the ports it used would be appropriate. Also, in the case of a single backplane repeater, a mapping for the backplane to the single repeater entity is not necessary." ::= { entityMapping 1 }entLPMappingEntry OBJECT-TYPE SYNTAX EntLPMappingEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about a particular logical entity to physical equipment association. Note that the nature of the association is not specifically identified in this entry. It is expected that sufficient information exists in the MIBs used to manage a particular logical entity to infer how physical component information is utilized." INDEX { entLogicalIndex, entLPPhysicalIndex } ::= { entLPMappingTable 1 }EntLPMappingEntry ::= SEQUENCE { entLPPhysicalIndex PhysicalIndex}entLPPhysicalIndex OBJECT-TYPE SYNTAX PhysicalIndex MAX-ACCESS read-only STATUS current DESCRIPTION "The value of this object identifies the index value of a particular entPhysicalEntry associated with the indicated entLogicalEntity." ::= { entLPMappingEntry 1 }-- logical entity/component to alias tableentAliasMappingTable OBJECT-TYPE SYNTAX SEQUENCE OF EntAliasMappingEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains zero or more rows, representing mappings of logical entity and physical component to external MIB identifiers. Each physical port in the system may be associated with a mapping to an external identifier, which itself is associated with a particular logical entity's naming scope. A 'wildcard' mechanism is provided to indicate that an identifier is associated with more than one logical entity." ::= { entityMapping 2 }entAliasMappingEntry OBJECT-TYPE SYNTAX EntAliasMappingEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about a particular physical equipment, logical entity to external identifier binding. Each logical entity/physical component pair may be associated with one alias mapping. The logical entity index may also be used as a 'wildcard' (refer to the entAliasLogicalIndexOrZero object DESCRIPTION clause for details.) Note that only entPhysicalIndex values which represent physical ports (i.e. associated entPhysicalClass value is 'port(10)') are permitted to exist in this table." INDEX { entPhysicalIndex, entAliasLogicalIndexOrZero } ::= { entAliasMappingTable 1 }EntAliasMappingEntry ::= SEQUENCE { entAliasLogicalIndexOrZero INTEGER, entAliasMappingIdentifier RowPointer}entAliasLogicalIndexOrZero OBJECT-TYPE SYNTAX INTEGER (0..2147483647) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The value of this object uniquely identifies the logical entity which defines the naming scope for the associated instance of the 'entAliasMappingIdentifier' object. If this object has a non-zero value, then it identifies the logical entity named by the same value of entLogicalIndex. If this object has a value of zero, then the mapping between the physical component and the alias identifier for this entAliasMapping entry is associated with all unspecified logical entities. That is, a value of zero (the default mapping) identifies any logical entity which does not have an explicit entry in this table for a particular entPhysicalIndex/entAliasMappingIdentifier pair. For example, to indicate that a particular interface (e.g. physical component 33) is identified by the same value of ifIndex for all logical entities, the following instance might exist: entAliasMappingIdentifier.33.0 = ifIndex.5 In the event an entPhysicalEntry is associated differently for some logical entities, additional entAliasMapping entries may exist, e.g.: entAliasMappingIdentifier.33.0 = ifIndex.6 entAliasMappingIdentifier.33.4 = ifIndex.1 entAliasMappingIdentifier.33.5 = ifIndex.1 entAliasMappingIdentifier.33.10 = ifIndex.12 Note that entries with non-zero entAliasLogicalIndexOrZero index values have precedence over any zero-indexed entry. In this example, all logical entities except 4, 5, and 10, associate physical entity 33 with ifIndex.6." ::= { entAliasMappingEntry 1 }entAliasMappingIdentifier OBJECT-TYPE SYNTAX RowPointer MAX-ACCESS read-only STATUS current DESCRIPTION "The value of this object identifies a particular conceptual row associated with the indicated entPhysicalIndex and entLogicalIndex pair. Since only physical ports are modeled in this table, only entries which represent interfaces or ports are allowed. If an ifEntry exists on behalf of a particular physical port, then this object should identify the associated 'ifEntry'. For repeater ports, the appropriate row in the 'rptrPortGroupTable' should be identified instead. For example, suppose a physical port was represented by entPhysicalEntry.3, entLogicalEntry.15 existed for a repeater, and entLogicalEntry.22 existed for a bridge. Then there might be two related instances of entAliasMappingIdentifier: entAliasMappingIdentifier.3.15 == rptrPortGroupIndex.5.2 entAliasMappingIdentifier.3.22 == ifIndex.17 It is possible that other mappings (besides interfaces and repeater ports) may be defined in the future, as required. Bridge ports are identified by examining the Bridge MIB and appropriate ifEntries associated with each 'dot1dBasePort', and are thus not represented in this table." ::= { entAliasMappingEntry 2 }-- physical mapping tableentPhysicalContainsTable OBJECT-TYPE SYNTAX SEQUENCE OF EntPhysicalContainsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table which exposes the container/containee relationships between physical entities. This table provides equivalent information found by constructing the virtual containment tree for a given entPhysicalTable but in a more direct format." ::= { entityMapping 3 }entPhysicalContainsEntry OBJECT-TYPE SYNTAX EntPhysicalContainsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A single container/containee relationship." INDEX { entPhysicalIndex, entPhysicalChildIndex } ::= { entPhysicalContainsTable 1 }EntPhysicalContainsEntry ::= SEQUENCE { entPhysicalChildIndex PhysicalIndex}entPhysicalChildIndex OBJECT-TYPE SYNTAX PhysicalIndex MAX-ACCESS read-only STATUS current DESCRIPTION "The value of entPhysicalIndex for the contained physical entity." ::= { entPhysicalContainsEntry 1 }-- last change time stamp for the whole MIBentLastChangeTime OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time any of these events occur: * a conceptual row is created or deleted in any of these tables: - entPhysicalTable - entLogicalTable - entLPMappingTable - entAliasMappingTable - entPhysicalContainsTable * any instance in the following list of objects changes value: - entPhysicalDescr - entPhysicalVendorType - entPhysicalContainedIn - entPhysicalClass - entPhysicalParentRelPos - entPhysicalName - entLogicalDescr - entLogicalType - entLogicalCommunity - entLogicalTAddress - entLogicalTDomain - entAliasMappingIdentifier " ::= { entityGeneral 1 }-- Entity MIB Trap DefinitionsentityMIBTraps OBJECT IDENTIFIER ::= { entityMIB 2 }entityMIBTrapPrefix OBJECT IDENTIFIER ::= { entityMIBTraps 0 }entConfigChange NOTIFICATION-TYPE STATUS current DESCRIPTION "An entConfigChange trap is sent when the value of entLastChangeTime changes. It can be utilized by an NMS to trigger logical/physical entity table maintenance polls. An agent must not generate more than one entConfigChange 'trap-event' in a five second period, where a 'trap-event' is the transmission of a single trap PDU to a list of trap destinations. If additional configuration changes occur within the five second 'throttling' period, then these trap-events should be suppressed by the agent. An NMS should periodically check the value of entLastChangeTime to detect any missed entConfigChange trap-events, e.g. due to throttling or transmission loss." ::= { entityMIBTrapPrefix 1 }-- conformance informationentityConformance OBJECT IDENTIFIER ::= { entityMIB 3 }entityCompliances OBJECT IDENTIFIER ::= { entityConformance 1 }entityGroups OBJECT IDENTIFIER ::= { entityConformance 2 }-- compliance statementsentityCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for SNMP entities which implement the Entity MIB." MODULE -- this module MANDATORY-GROUPS { entityPhysicalGroup, entityLogicalGroup, entityMappingGroup, entityGeneralGroup, entityNotificationsGroup } ::= { entityCompliances 1 }-- MIB groupingsentityPhysicalGroup OBJECT-GROUP OBJECTS { entPhysicalDescr, entPhysicalVendorType, entPhysicalContainedIn, entPhysicalClass, entPhysicalParentRelPos, entPhysicalName } STATUS current DESCRIPTION "The collection of objects which are used to represent physical system components, for which a single agent provides management information." ::= { entityGroups 1 }entityLogicalGroup OBJECT-GROUP OBJECTS { entLogicalDescr, entLogicalType, entLogicalCommunity, entLogicalTAddress, entLogicalTDomain } STATUS current DESCRIPTION "The collection of objects which are used to represent the list of logical entities for which a single agent provides management information." ::= { entityGroups 2 }entityMappingGroup OBJECT-GROUP OBJECTS { entLPPhysicalIndex, entAliasMappingIdentifier, entPhysicalChildIndex } STATUS current DESCRIPTION "The collection of objects which are used to represent the associations between multiple logical entities, physical components, interfaces, and port identifiers for which a single agent provides management information." ::= { entityGroups 3 }entityGeneralGroup OBJECT-GROUP OBJECTS { entLastChangeTime } STATUS current DESCRIPTION "The collection of objects which are used to represent general entity information for which a single agent provides management information." ::= { entityGroups 4 }entityNotificationsGroup NOTIFICATION-GROUP NOTIFICATIONS { entConfigChange } STATUS current DESCRIPTION "The collection of notifications used to indicate Entity MIB data consistency and general status information." ::= { entityGroups 5 }END
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