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447 lines
16 KiB
Plaintext
447 lines
16 KiB
Plaintext
DISMAN-NSLOOKUP-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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MODULE-IDENTITY, OBJECT-TYPE,
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Unsigned32, mib-2, Integer32
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FROM SNMPv2-SMI -- RFC2578
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RowStatus
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FROM SNMPv2-TC -- RFC2579
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MODULE-COMPLIANCE, OBJECT-GROUP
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FROM SNMPv2-CONF -- RFC2580
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SnmpAdminString
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FROM SNMP-FRAMEWORK-MIB -- RFC2571
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InetAddressType, InetAddress
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FROM INET-ADDRESS-MIB; -- RFC2851
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lookupMIB MODULE-IDENTITY
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LAST-UPDATED "200009210000Z" -- 21 September 2000
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ORGANIZATION "IETF Distributed Management Working Group"
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CONTACT-INFO
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"Kenneth White
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International Business Machines Corporation
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Network Computing Software Division
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Research Triangle Park, NC, USA
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E-mail: wkenneth@us.ibm.com"
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DESCRIPTION
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"The Lookup MIB (DISMAN-NSLOOKUP-MIB) enables determination
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of either the name(s) corresponding to a host address or of
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the address(es) associated with a host name at a remote host."
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-- Revision history
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REVISION "200009210000Z" -- 21 September 2000
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DESCRIPTION
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"Initial version, published as RFC 2925."
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::= { mib-2 82 }
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-- Top level structure of the MIB
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lookupObjects OBJECT IDENTIFIER ::= { lookupMIB 1 }
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lookupConformance OBJECT IDENTIFIER ::= { lookupMIB 2 }
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-- Simple Object Definitions
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lookupMaxConcurrentRequests OBJECT-TYPE
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SYNTAX Unsigned32
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UNITS "requests"
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"The maximum number of concurrent active lookup requests
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that are allowed within an agent implementation. A value
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of 0 for this object implies that there is no limit for
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the number of concurrent active requests in effect."
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DEFVAL { 10 }
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::= { lookupObjects 1 }
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lookupPurgeTime OBJECT-TYPE
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SYNTAX Unsigned32 (0..86400)
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UNITS "seconds"
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"The amount of time to wait before automatically
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deleting an entry in the lookupCtlTable and any
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dependent lookupResultsTable entries
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after the lookup operation represented by an
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lookupCtlEntry has completed.
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An lookupCtEntry is considered complete
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when its lookupCtlOperStatus object has a
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value of completed(3)."
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DEFVAL { 900 } -- 15 minutes as default
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::= { lookupObjects 2 }
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-- Lookup Control Table
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lookupCtlTable OBJECT-TYPE
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SYNTAX SEQUENCE OF LookupCtlEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Defines the Lookup Control Table for providing
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the capability of performing a lookup operation,
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gethostbyname or gethostbyaddr, from a remote host."
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::= { lookupObjects 3 }
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lookupCtlEntry OBJECT-TYPE
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SYNTAX LookupCtlEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Defines an entry in the lookupCtlTable. A
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lookupCtlEntry is initially indexed by
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lookupCtlOwnerIndex, which is of type SnmpAdminString,
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a textual convention that allows for use of the SNMPv3
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View-Based Access Control Model (RFC 2575 [11], VACM)
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and also allows an management application to identify
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its entries. The second index element,
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lookupCtlOperationName, enables the same
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lookupCtlOwnerIndex entity to have multiple outstanding
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requests.
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The value of lookupCtlTargetAddressType determines which
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lookup function to perform. Specification of dns(16)
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as the value of this index implies that the gethostbyname
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function should be performed to determine the numeric
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addresses associated with a symbolic name via
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lookupResultsTable entries. Use of a value of either
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ipv4(1) or ipv6(2) implies that the gethostbyaddr function
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should be performed to determine the symbolic name(s)
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associated with a numeric address at a remote host."
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INDEX {
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lookupCtlOwnerIndex,
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lookupCtlOperationName
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}
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::= { lookupCtlTable 1 }
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LookupCtlEntry ::=
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SEQUENCE {
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lookupCtlOwnerIndex SnmpAdminString,
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lookupCtlOperationName SnmpAdminString,
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lookupCtlTargetAddressType InetAddressType,
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lookupCtlTargetAddress InetAddress,
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lookupCtlOperStatus INTEGER,
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lookupCtlTime Unsigned32,
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lookupCtlRc Integer32,
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lookupCtlRowStatus RowStatus
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}
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lookupCtlOwnerIndex OBJECT-TYPE
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SYNTAX SnmpAdminString (SIZE(0..32))
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"To facilitate the provisioning of access control by a
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security administrator using the View-Based Access
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Control Model (RFC 2575, VACM) for tables in which
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multiple users may need to independently create or
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modify entries, the initial index is used as an 'owner
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index'. Such an initial index has a syntax of
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SnmpAdminString, and can thus be trivially mapped to a
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securityName or groupName as defined in VACM, in
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accordance with a security policy.
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When used in conjunction with such a security policy all
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entries in the table belonging to a particular user (or
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group) will have the same value for this initial index.
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For a given user's entries in a particular table, the
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object identifiers for the information in these entries
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will have the same subidentifiers (except for the
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'column' subidentifier) up to the end of the encoded
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owner index. To configure VACM to permit access to this
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portion of the table, one would create
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vacmViewTreeFamilyTable entries with the value of
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vacmViewTreeFamilySubtree including the owner index
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portion, and vacmViewTreeFamilyMask 'wildcarding' the
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column subidentifier. More elaborate configurations
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are possible."
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::= { lookupCtlEntry 1 }
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lookupCtlOperationName OBJECT-TYPE
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SYNTAX SnmpAdminString (SIZE(0..32))
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"The name of a lookup operation. This is locally unique,
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within the scope of an lookupCtlOwnerIndex."
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::= { lookupCtlEntry 2 }
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lookupCtlTargetAddressType OBJECT-TYPE
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SYNTAX InetAddressType
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"Specifies the type of address for either performing a
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gethostbyname or a gethostbyaddr function at a remote host.
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Specification of dns(16) as the value for this object
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means that the gethostbyname function should be performed
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to return one or more numeric addresses. Use of a value
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of either ipv4(1) or ipv6(2) means that the gethostbyaddr
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function should be used to return the symbolic names
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associated with a remote host."
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::= { lookupCtlEntry 3 }
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lookupCtlTargetAddress OBJECT-TYPE
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SYNTAX InetAddress
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"Specifies the address used for a resolver lookup at a
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remote host. The corresponding lookupCtlAddressType
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objects determines its type as well as the function
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that can be requested.
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A value for this object MUST be set prior to
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transitioning its corresponding lookupCtlEntry to
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active(1) via lookupCtlRowStatus."
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::= { lookupCtlEntry 4 }
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lookupCtlOperStatus OBJECT-TYPE
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SYNTAX INTEGER {
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notStarted(2), -- operation has not started
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completed(3) -- operation is done
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Reflects the operational state of an lookupCtlEntry:
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enabled(1) - Operation is active.
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notStarted(2) - Operation has not been enabled.
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completed(3) - Operation has completed.
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An operation is automatically enabled(1) when its
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lookupCtlRowStatus object is transitioned to active(1)
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status. Until this occurs lookupCtlOperStatus MUST
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report a value of notStarted(2). After the lookup
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operation completes (success or failure) the value
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for lookupCtlOperStatus MUST be transitioned to
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completed(3)."
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::= { lookupCtlEntry 5 }
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lookupCtlTime OBJECT-TYPE
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SYNTAX Unsigned32
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UNITS "milliseconds"
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Reports the number of milliseconds that a lookup
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operation required to be completed at a remote host.
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Completed means operation failure as well as
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success."
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::= { lookupCtlEntry 6 }
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lookupCtlRc OBJECT-TYPE
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SYNTAX Integer32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The system specific return code from a lookup
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operation. All implementations MUST return a value
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of 0 for this object when the remote lookup
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operation succeeds. A non-zero value for this
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objects indicates failure. It is recommended that
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implementations that support errno use it as the
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value of this object to aid a management
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application in determining the cause of failure."
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::= { lookupCtlEntry 7 }
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lookupCtlRowStatus OBJECT-TYPE
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SYNTAX RowStatus
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object allows entries to be created and deleted
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in the lookupCtlTable.
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A remote lookup operation is started when an
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entry in this table is created via an SNMP SET
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request and the entry is activated. This
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occurs by setting the value of this object
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to CreateAndGo(4) during row creation or
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by setting this object to active(1) after
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the row is created.
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A value MUST be specified for lookupCtlTargetAddress
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prior to a transition to active(1) state being
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accepted.
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A remote lookup operation starts when its entry
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first becomes active(1). Transitions in and
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out of active(1) state have no effect on the
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operational behavior of a remote lookup
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operation, with the exception that deletion of
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an entry in this table by setting its RowStatus
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object to destroy(6) will stop an active
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remote lookup operation.
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The operational state of a remote lookup operation
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can be determined by examination of its
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lookupCtlOperStatus object."
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REFERENCE
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"See definition of RowStatus in RFC 2579,
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'Textual Conventions for SMIv2.'"
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::= { lookupCtlEntry 8 }
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-- Lookup Results Table
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lookupResultsTable OBJECT-TYPE
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SYNTAX SEQUENCE OF LookupResultsEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Defines the Lookup Results Table for providing
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the capability of determining the results of a
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operation at a remote host.
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One or more entries are added to the
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lookupResultsTable when a lookup operation,
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as reflected by an lookupCtlEntry, completes
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successfully. All entries related to a
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successful lookup operation MUST be added
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to the lookupResultsTable at the same time
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that the associating lookupCtlOperStatus
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object is transitioned to completed(2).
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The number of entries added depends on the
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results determined for a particular lookup
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operation. All entries associated with an
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lookupCtlEntry are removed when the
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lookupCtlEntry is deleted.
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A remote host can be multi-homed and have more
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than one IP address associated with it
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(gethostbyname results) and/or it can have more
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than one symbolic name (gethostbyaddr results).
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The gethostbyaddr function is called with a
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host address as its parameter and is used
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primarily to determine a symbolic name to
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associate with the host address. Entries in
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the lookupResultsTable MUST be made for each
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host name returned. The official host name MUST
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be assigned a lookupResultsIndex of 1.
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The gethostbyname function is called with a
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symbolic host name and is used primarily to
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retrieve a host address. If possible the
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primary host address SHOULD be assigned a
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lookupResultsIndex of 1."
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::= { lookupObjects 4 }
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lookupResultsEntry OBJECT-TYPE
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SYNTAX LookupResultsEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Defines an entry in the lookupResultsTable. The
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first two index elements identify the
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lookupCtlEntry that a lookupResultsEntry belongs
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to. The third index element selects a single
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lookup operation result."
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INDEX {
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lookupCtlOwnerIndex,
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lookupCtlOperationName,
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lookupResultsIndex
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}
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::= { lookupResultsTable 1 }
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LookupResultsEntry ::=
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SEQUENCE {
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lookupResultsIndex Unsigned32,
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lookupResultsAddressType InetAddressType,
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lookupResultsAddress InetAddress
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}
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lookupResultsIndex OBJECT-TYPE
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SYNTAX Unsigned32 (1..'ffffffff'h)
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Entries in the lookupResultsTable are created when
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the result of a lookup operation is determined.
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Entries MUST be stored in the lookupResultsTable in
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the order that they are retrieved. Values assigned
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to lookupResultsIndex MUST start at 1 and increase
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in order."
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::= { lookupResultsEntry 1 }
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lookupResultsAddressType OBJECT-TYPE
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SYNTAX InetAddressType
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Indicates the type of result of a remote lookup
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operation. A value of unknown(0) implies that
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either the operation hasn't been started or that
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it has failed."
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::= { lookupResultsEntry 2 }
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lookupResultsAddress OBJECT-TYPE
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SYNTAX InetAddress
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Reflects a result for a remote lookup operation
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as per the value of lookupResultsAddressType."
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::= { lookupResultsEntry 3 }
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-- Conformance information
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-- Compliance statements
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lookupCompliances OBJECT IDENTIFIER ::= { lookupConformance 1 }
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lookupGroups OBJECT IDENTIFIER ::= { lookupConformance 2 }
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-- Compliance statements
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lookupCompliance MODULE-COMPLIANCE
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STATUS current
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DESCRIPTION
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"The compliance statement for the DISMAN-NSLOOKUP-MIB."
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MODULE -- this module
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MANDATORY-GROUPS {
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lookupGroup
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}
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OBJECT lookupMaxConcurrentRequests
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MIN-ACCESS read-only
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DESCRIPTION
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"The agent is not required to support SET
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operations to this object."
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OBJECT lookupPurgeTime
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MIN-ACCESS read-only
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DESCRIPTION
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"The agent is not required to support a SET
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operation to this object."
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::= { lookupCompliances 1 }
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-- MIB groupings
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lookupGroup OBJECT-GROUP
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OBJECTS {
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lookupMaxConcurrentRequests,
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lookupPurgeTime,
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lookupCtlOperStatus,
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lookupCtlTargetAddressType,
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lookupCtlTargetAddress,
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lookupCtlTime,
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lookupCtlRc,
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lookupCtlRowStatus,
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lookupResultsAddressType,
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lookupResultsAddress
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}
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STATUS current
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DESCRIPTION
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"The group of objects that comprise the remote
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Lookup operation."
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::= { lookupGroups 1 }
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END
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