-- Network Working Group R. Austein
-- Request for Comments: 1612 Epilogue Technology Corporation
-- Category: Standards Track J. Saperia
-- Digital Equipment Corporation
-- May 1994
--
--
-- DNS Resolver MIB Extensions
--DNS-RESOLVER-MIB DEFINITIONS::=BEGINIMPORTSMODULE-IDENTITY,OBJECT-TYPE,IpAddress,Counter32,Integer32FROM SNMPv2-SMI
TEXTUAL-CONVENTION,RowStatus,DisplayStringFROM SNMPv2-TC
MODULE-COMPLIANCE,OBJECT-GROUPFROM SNMPv2-CONF
dns,DnsName,DnsNameAsIndex,DnsClass,DnsType,DnsQClass,
DnsQType,DnsTime,DnsOpCode,DnsRespCodeFROM DNS-SERVER-MIB;-- DNS Resolver MIBdnsResMIB MODULE-IDENTITYLAST-UPDATED"9401282250Z"ORGANIZATION"IETF DNS Working Group"CONTACT-INFO" Rob Austein
Postal: Epilogue Technology Corporation
268 Main Street, Suite 283
North Reading, MA 10864
US
Tel: +1 617 245 0804
Fax: +1 617 245 8122
E-Mail: sra@epilogue.com
Jon Saperia
Postal: Digital Equipment Corporation
110 Spit Brook Road
ZKO1-3/H18
Nashua, NH 03062-2698
US
Tel: +1 603 881 0480
Fax: +1 603 881 0120
E-mail: saperia@zko.dec.com"DESCRIPTION"The MIB module for entities implementing the client
(resolver) side of the Domain Name System (DNS)
protocol."::={ dns 2}dnsResMIBObjects OBJECTIDENTIFIER::={ dnsResMIB 1}-- (Old-style) groups in the DNS resolver MIB.dnsResConfig OBJECTIDENTIFIER::={ dnsResMIBObjects 1}
dnsResCounter OBJECTIDENTIFIER::={ dnsResMIBObjects 2}dnsResLameDelegation OBJECTIDENTIFIER::={ dnsResMIBObjects 3}dnsResCache OBJECTIDENTIFIER::={ dnsResMIBObjects 4}dnsResNCache OBJECTIDENTIFIER::={ dnsResMIBObjects 5}dnsResOptCounter OBJECTIDENTIFIER::={ dnsResMIBObjects 6}-- Resolver Configuration GroupdnsResConfigImplementIdent OBJECT-TYPESYNTAXDisplayStringMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"The implementation identification string for the
resolver software in use on the system, for example;
`RES-2.1'"::={ dnsResConfig 1}dnsResConfigService OBJECT-TYPESYNTAXINTEGER{ recursiveOnly(1),
iterativeOnly(2),recursiveAndIterative(3)}MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Kind of DNS resolution service provided:
recursiveOnly(1) indicates a stub resolver.
iterativeOnly(2) indicates a normal full service
resolver.
recursiveAndIterative(3) indicates a full-service
resolver which performs a mix of recursive and iterative
queries."::={ dnsResConfig 2}dnsResConfigMaxCnames OBJECT-TYPESYNTAXINTEGER(0..2147483647)MAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Limit on how many CNAMEs the resolver should allow
before deciding that there's a CNAME loop. Zero means
that resolver has no explicit CNAME limit."REFERENCE"RFC-1035 section 7.1."::={ dnsResConfig 3}
-- DNS Resolver Safety Belt TablednsResConfigSbeltTable OBJECT-TYPESYNTAXSEQUENCEOF DnsResConfigSbeltEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Table of safety belt information used by the resolver
when it hasn't got any better idea of where to send a
query, such as when the resolver is booting or is a stub
resolver."::={ dnsResConfig 4}dnsResConfigSbeltEntry OBJECT-TYPESYNTAX DnsResConfigSbeltEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"An entry in the resolver's Sbelt table.
Rows may be created or deleted at any time by the DNS
resolver and by SNMP SET requests. Whether the values
changed via SNMP are saved in stable storage across
`reset' operations is implementation-specific."INDEX{ dnsResConfigSbeltAddr,
dnsResConfigSbeltSubTree,
dnsResConfigSbeltClass }::={ dnsResConfigSbeltTable 1}
DnsResConfigSbeltEntry ::=SEQUENCE{
dnsResConfigSbeltAddr
IpAddress,
dnsResConfigSbeltName
DnsName,
dnsResConfigSbeltRecursion
INTEGER,
dnsResConfigSbeltPref
INTEGER,
dnsResConfigSbeltSubTree
DnsNameAsIndex,
dnsResConfigSbeltClass
DnsClass,
dnsResConfigSbeltStatus
RowStatus}dnsResConfigSbeltAddr OBJECT-TYPESYNTAXIpAddressMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"The IP address of the Sbelt name server identified by
this row of the table."::={ dnsResConfigSbeltEntry 1}dnsResConfigSbeltName OBJECT-TYPESYNTAXDnsNameMAX-ACCESSread-createSTATUScurrentDESCRIPTION"The DNS name of a Sbelt nameserver identified by this
row of the table. A zero-length string indicates that
the name is not known by the resolver."::={ dnsResConfigSbeltEntry 2}
dnsResConfigSbeltRecursion OBJECT-TYPESYNTAXINTEGER{ iterative(1),recursive(2),recursiveAndIterative(3)}MAX-ACCESSread-createSTATUScurrentDESCRIPTION"Kind of queries resolver will be sending to the name
server identified in this row of the table:
iterative(1) indicates that resolver will be directing
iterative queries to this name server (RD bit turned
off).
recursive(2) indicates that resolver will be directing
recursive queries to this name server (RD bit turned
on).
recursiveAndIterative(3) indicates that the resolver
will be directing both recursive and iterative queries
to the server identified in this row of the table."::={ dnsResConfigSbeltEntry 3}dnsResConfigSbeltPref OBJECT-TYPESYNTAXINTEGER(0..2147483647)MAX-ACCESSread-createSTATUScurrentDESCRIPTION"This value identifies the preference for the name server
identified in this row of the table. The lower the
value, the more desirable the resolver considers this
server."::={ dnsResConfigSbeltEntry 4}dnsResConfigSbeltSubTree OBJECT-TYPESYNTAXDnsNameAsIndexMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Queries sent to the name server identified by this row
of the table are limited to those for names in the name
subtree identified by this variable. If no such
limitation applies, the value of this variable is the
name of the root domain (a DNS name consisting of a
single zero octet)."::={ dnsResConfigSbeltEntry 5}dnsResConfigSbeltClass OBJECT-TYPESYNTAXDnsClassMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"The class of DNS queries that will be sent to the server
identified by this row of the table."::={ dnsResConfigSbeltEntry 6}dnsResConfigSbeltStatus OBJECT-TYPESYNTAXRowStatusMAX-ACCESSread-create
STATUScurrentDESCRIPTION"Row status column for this row of the Sbelt table."::={ dnsResConfigSbeltEntry 7}dnsResConfigUpTime OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"If the resolver has a persistent state (e.g., a
process), this value will be the time elapsed since it
started. For software without persistant state, this
value will be 0."::={ dnsResConfig 5}dnsResConfigResetTime OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"If the resolver has a persistent state (e.g., a process)
and supports a `reset' operation (e.g., can be told to
re-read configuration files), this value will be the
time elapsed since the last time the resolver was
`reset.' For software that does not have persistence or
does not support a `reset' operation, this value will be
zero."::={ dnsResConfig 6}dnsResConfigReset OBJECT-TYPE
SYNTAXINTEGER{ other(1),reset(2),initializing(3),running(4)}MAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Status/action object to reinitialize any persistant
resolver state. When set to reset(2), any persistant
resolver state (such as a process) is reinitialized as if
the resolver had just been started. This value will
never be returned by a read operation. When read, one of
the following values will be returned:
other(1) - resolver in some unknown state;
initializing(3) - resolver (re)initializing;
running(4) - resolver currently running."::={ dnsResConfig 7}-- Resolver Counters Group-- Resolver Counter TablednsResCounterByOpcodeTable OBJECT-TYPESYNTAXSEQUENCEOF DnsResCounterByOpcodeEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION
"Table of the current count of resolver queries and
answers."::={ dnsResCounter 3}dnsResCounterByOpcodeEntry OBJECT-TYPESYNTAX DnsResCounterByOpcodeEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Entry in the resolver counter table. Entries are
indexed by DNS OpCode."INDEX{ dnsResCounterByOpcodeCode }::={ dnsResCounterByOpcodeTable 1}
DnsResCounterByOpcodeEntry ::=SEQUENCE{
dnsResCounterByOpcodeCode
DnsOpCode,
dnsResCounterByOpcodeQueries
Counter32,
dnsResCounterByOpcodeResponses
Counter32}dnsResCounterByOpcodeCode OBJECT-TYPESYNTAXDnsOpCodeMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"The index to this table. The OpCodes that have already
been defined are found in RFC-1035."REFERENCE"RFC-1035 section 4.1.1."
::={ dnsResCounterByOpcodeEntry 1}dnsResCounterByOpcodeQueries OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Total number of queries that have sent out by the
resolver since initialization for the OpCode which is
the index to this row of the table."::={ dnsResCounterByOpcodeEntry 2}dnsResCounterByOpcodeResponses OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Total number of responses that have been received by the
resolver since initialization for the OpCode which is
the index to this row of the table."::={ dnsResCounterByOpcodeEntry 3}-- Resolver Response Code Counter TablednsResCounterByRcodeTable OBJECT-TYPESYNTAXSEQUENCEOF DnsResCounterByRcodeEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Table of the current count of responses to resolver
queries."::={ dnsResCounter 4}dnsResCounterByRcodeEntry OBJECT-TYPESYNTAX DnsResCounterByRcodeEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Entry in the resolver response table. Entries are
indexed by DNS response code."INDEX{ dnsResCounterByRcodeCode }::={ dnsResCounterByRcodeTable 1}
DnsResCounterByRcodeEntry ::=SEQUENCE{
dnsResCounterByRcodeCode
DnsRespCode,
dnsResCounterByRcodeResponses
Counter32}dnsResCounterByRcodeCode OBJECT-TYPESYNTAXDnsRespCodeMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"The index to this table. The Response Codes that have
already been defined are found in RFC-1035."REFERENCE"RFC-1035 section 4.1.1."::={ dnsResCounterByRcodeEntry 1}dnsResCounterByRcodeResponses OBJECT-TYPE
SYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of responses the resolver has received for the
response code value which identifies this row of the
table."::={ dnsResCounterByRcodeEntry 2}-- Additional DNS Resolver Counter ObjectsdnsResCounterNonAuthDataResps OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of requests made by the resolver for which a
non-authoritative answer (cached data) was received."::={ dnsResCounter 5}dnsResCounterNonAuthNoDataResps OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of requests made by the resolver for which a
non-authoritative answer - no such data response (empty
answer) was received."::={ dnsResCounter 6}dnsResCounterMartians OBJECT-TYPE
SYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of responses received which were received from
servers that the resolver does not think it asked."::={ dnsResCounter 7}dnsResCounterRecdResponses OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of responses received to all queries."::={ dnsResCounter 8}dnsResCounterUnparseResps OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of responses received which were unparseable."::={ dnsResCounter 9}dnsResCounterFallbacks OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION
"Number of times the resolver had to fall back to its
seat belt information."::={ dnsResCounter 10}-- Lame Delegation GroupdnsResLameDelegationOverflows OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of times the resolver attempted to add an entry
to the Lame Delegation table but was unable to for some
reason such as space constraints."::={ dnsResLameDelegation 1}-- Lame Delegation TablednsResLameDelegationTable OBJECT-TYPESYNTAXSEQUENCEOF DnsResLameDelegationEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Table of name servers returning lame delegations.
A lame delegation has occured when a parent zone
delegates authority for a child zone to a server that
appears not to think that it is authoritative for the
child zone in question."::={ dnsResLameDelegation 2}dnsResLameDelegationEntry OBJECT-TYPESYNTAX DnsResLameDelegationEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Entry in lame delegation table. Only the resolver may
create rows in this table. SNMP SET requests may be used
to delete rows."INDEX{ dnsResLameDelegationSource,
dnsResLameDelegationName,
dnsResLameDelegationClass }::={ dnsResLameDelegationTable 1}
DnsResLameDelegationEntry ::=SEQUENCE{
dnsResLameDelegationSource
IpAddress,
dnsResLameDelegationName
DnsNameAsIndex,
dnsResLameDelegationClass
DnsClass,
dnsResLameDelegationCounts
Counter32,
dnsResLameDelegationStatus
RowStatus}dnsResLameDelegationSource OBJECT-TYPESYNTAXIpAddressMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Source of lame delegation."::={ dnsResLameDelegationEntry 1}dnsResLameDelegationName OBJECT-TYPESYNTAXDnsNameAsIndexMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS name for which lame delegation was received."::={ dnsResLameDelegationEntry 2}dnsResLameDelegationClass OBJECT-TYPESYNTAXDnsClassMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS class of received lame delegation."::={ dnsResLameDelegationEntry 3}dnsResLameDelegationCounts OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"How many times this lame delegation has been received."::={ dnsResLameDelegationEntry 4}dnsResLameDelegationStatus OBJECT-TYPESYNTAXRowStatusMAX-ACCESSread-writeSTATUScurrentDESCRIPTION
"Status column for the lame delegation table. Since only
the agent (DNS resolver) creates rows in this table, the
only values that a manager may write to this variable
are active(1) and destroy(6)."::={ dnsResLameDelegationEntry 5}-- Resolver Cache GroupdnsResCacheStatus OBJECT-TYPESYNTAXINTEGER{ enabled(1), disabled(2), clear(3)}MAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Status/action for the resolver's cache.
enabled(1) means that the use of the cache is allowed.
Query operations can return this state.
disabled(2) means that the cache is not being used.
Query operations can return this state.
Setting this variable to clear(3) deletes the entire
contents of the resolver's cache, but does not otherwise
change the resolver's state. The status will retain its
previous value from before the clear operation (i.e.,
enabled(1) or disabled(2)). The value of clear(3) can
NOT be returned by a query operation."::={ dnsResCache 1}dnsResCacheMaxTTL OBJECT-TYPE
SYNTAXDnsTimeMAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Maximum Time-To-Live for RRs in this cache. If the
resolver does not implement a TTL ceiling, the value of
this field should be zero."::={ dnsResCache 2}dnsResCacheGoodCaches OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of RRs the resolver has cached successfully."::={ dnsResCache 3}dnsResCacheBadCaches OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of RRs the resolver has refused to cache because
they appear to be dangerous or irrelevant. E.g., RRs
with suspiciously high TTLs, unsolicited root
information, or that just don't appear to be relevant to
the question the resolver asked."::={ dnsResCache 4}-- Resolver Cache TablednsResCacheRRTable OBJECT-TYPE
SYNTAXSEQUENCEOF DnsResCacheRREntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"This table contains information about all the resource
records currently in the resolver's cache."::={ dnsResCache 5}dnsResCacheRREntry OBJECT-TYPESYNTAX DnsResCacheRREntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"An entry in the resolvers's cache. Rows may be created
only by the resolver. SNMP SET requests may be used to
delete rows."INDEX{ dnsResCacheRRName,
dnsResCacheRRClass,
dnsResCacheRRType,
dnsResCacheRRIndex }::={ dnsResCacheRRTable 1}
DnsResCacheRREntry ::=SEQUENCE{
dnsResCacheRRName
DnsNameAsIndex,
dnsResCacheRRClass
DnsClass,
dnsResCacheRRType
DnsType,
dnsResCacheRRTTL
DnsTime,
dnsResCacheRRElapsedTTL
DnsTime,
dnsResCacheRRSource
IpAddress,
dnsResCacheRRData
OCTETSTRING,
dnsResCacheRRStatus
RowStatus,
dnsResCacheRRIndex
Integer32,
dnsResCacheRRPrettyName
DnsName}dnsResCacheRRName OBJECT-TYPESYNTAXDnsNameAsIndexMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"Owner name of the Resource Record in the cache which is
identified in this row of the table. As described in
RFC-1034, the owner of the record is the domain name
were the RR is found."REFERENCE"RFC-1034 section 3.6."::={ dnsResCacheRREntry 1}dnsResCacheRRClass OBJECT-TYPESYNTAXDnsClassMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS class of the Resource Record in the cache which is
identified in this row of the table."::={ dnsResCacheRREntry 2}
dnsResCacheRRType OBJECT-TYPESYNTAXDnsTypeMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS type of the Resource Record in the cache which is
identified in this row of the table."::={ dnsResCacheRREntry 3}dnsResCacheRRTTL OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Time-To-Live of RR in DNS cache. This is the initial
TTL value which was received with the RR when it was
originally received."::={ dnsResCacheRREntry 4}dnsResCacheRRElapsedTTL OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Elapsed seconds since RR was received."::={ dnsResCacheRREntry 5}dnsResCacheRRSource OBJECT-TYPESYNTAXIpAddress
MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Host from which RR was received, 0.0.0.0 if unknown."::={ dnsResCacheRREntry 6}dnsResCacheRRData OBJECT-TYPESYNTAXOCTETSTRINGMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"RDATA portion of a cached RR. The value is in the
format defined for the particular DNS class and type of
the resource record."REFERENCE"RFC-1035 section 3.2.1."::={ dnsResCacheRREntry 7}dnsResCacheRRStatus OBJECT-TYPESYNTAXRowStatusMAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Status column for the resolver cache table. Since only
the agent (DNS resolver) creates rows in this table, the
only values that a manager may write to this variable
are active(1) and destroy(6)."::={ dnsResCacheRREntry 8}dnsResCacheRRIndex OBJECT-TYPE
SYNTAXInteger32MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"A value which makes entries in the table unique when the
other index values (dnsResCacheRRName,
dnsResCacheRRClass, and dnsResCacheRRType) do not
provide a unique index."::={ dnsResCacheRREntry 9}dnsResCacheRRPrettyName OBJECT-TYPESYNTAXDnsNameMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Name of the RR at this row in the table. This is
identical to the dnsResCacheRRName variable, except that
character case is preserved in this variable, per DNS
conventions."REFERENCE"RFC-1035 section 2.3.3."::={ dnsResCacheRREntry 10}-- Resolver Negative Cache GroupdnsResNCacheStatus OBJECT-TYPESYNTAXINTEGER{ enabled(1), disabled(2), clear(3)}
MAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Status/action for the resolver's negative response
cache.
enabled(1) means that the use of the negative response
cache is allowed. Query operations can return this
state.
disabled(2) means that the negative response cache is
not being used. Query operations can return this state.
Setting this variable to clear(3) deletes the entire
contents of the resolver's negative response cache. The
status will retain its previous value from before the
clear operation (i.e., enabled(1) or disabled(2)). The
value of clear(3) can NOT be returned by a query
operation."::={ dnsResNCache 1}dnsResNCacheMaxTTL OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Maximum Time-To-Live for cached authoritative errors.
If the resolver does not implement a TTL ceiling, the
value of this field should be zero."::={ dnsResNCache 2}dnsResNCacheGoodNCaches OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrent
DESCRIPTION"Number of authoritative errors the resolver has cached
successfully."::={ dnsResNCache 3}dnsResNCacheBadNCaches OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of authoritative errors the resolver would have
liked to cache but was unable to because the appropriate
SOA RR was not supplied or looked suspicious."REFERENCE"RFC-1034 section 4.3.4."::={ dnsResNCache 4}-- Resolver Negative Cache TablednsResNCacheErrTable OBJECT-TYPESYNTAXSEQUENCEOF DnsResNCacheErrEntry
MAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"The resolver's negative response cache. This table
contains information about authoritative errors that
have been cached by the resolver."::={ dnsResNCache 5}dnsResNCacheErrEntry OBJECT-TYPESYNTAX DnsResNCacheErrEntry
MAX-ACCESSnot-accessible
STATUScurrentDESCRIPTION"An entry in the resolver's negative response cache
table. Only the resolver can create rows. SNMP SET
requests may be used to delete rows."INDEX{ dnsResNCacheErrQName,
dnsResNCacheErrQClass,
dnsResNCacheErrQType,
dnsResNCacheErrIndex }::={ dnsResNCacheErrTable 1}
DnsResNCacheErrEntry ::=SEQUENCE{
dnsResNCacheErrQName
DnsNameAsIndex,
dnsResNCacheErrQClass
DnsQClass,
dnsResNCacheErrQType
DnsQType,
dnsResNCacheErrTTL
DnsTime,
dnsResNCacheErrElapsedTTL
DnsTime,
dnsResNCacheErrSource
IpAddress,
dnsResNCacheErrCode
INTEGER,
dnsResNCacheErrStatus
RowStatus,
dnsResNCacheErrIndex
Integer32,
dnsResNCacheErrPrettyName
DnsName}dnsResNCacheErrQName OBJECT-TYPE
SYNTAXDnsNameAsIndexMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"QNAME associated with a cached authoritative error."REFERENCE"RFC-1034 section 3.7.1."::={ dnsResNCacheErrEntry 1}dnsResNCacheErrQClass OBJECT-TYPESYNTAXDnsQClassMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS QCLASS associated with a cached authoritative
error."::={ dnsResNCacheErrEntry 2}dnsResNCacheErrQType OBJECT-TYPESYNTAXDnsQTypeMAX-ACCESSnot-accessibleSTATUScurrentDESCRIPTION"DNS QTYPE associated with a cached authoritative error."::={ dnsResNCacheErrEntry 3}dnsResNCacheErrTTL OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrent
DESCRIPTION"Time-To-Live of a cached authoritative error at the time
of the error, it should not be decremented by the number
of seconds since it was received. This should be the
TTL as copied from the MINIMUM field of the SOA that
accompanied the authoritative error, or a smaller value
if the resolver implements a ceiling on negative
response cache TTLs."REFERENCE"RFC-1034 section 4.3.4."::={ dnsResNCacheErrEntry 4}dnsResNCacheErrElapsedTTL OBJECT-TYPESYNTAXDnsTimeMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Elapsed seconds since authoritative error was received."::={ dnsResNCacheErrEntry 5}dnsResNCacheErrSource OBJECT-TYPESYNTAXIpAddressMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Host which sent the authoritative error, 0.0.0.0 if
unknown."::={ dnsResNCacheErrEntry 6}dnsResNCacheErrCode OBJECT-TYPE
SYNTAXINTEGER{ nonexistantName(1), noData(2), other(3)}MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"The authoritative error that has been cached:
nonexistantName(1) indicates an authoritative name error
(RCODE = 3).
noData(2) indicates an authoritative response with no
error (RCODE = 0) and no relevant data.
other(3) indicates some other cached authoritative
error. At present, no such errors are known to exist."::={ dnsResNCacheErrEntry 7}dnsResNCacheErrStatus OBJECT-TYPESYNTAXRowStatusMAX-ACCESSread-writeSTATUScurrentDESCRIPTION"Status column for the resolver negative response cache
table. Since only the agent (DNS resolver) creates rows
in this table, the only values that a manager may write
to this variable are active(1) and destroy(6)."::={ dnsResNCacheErrEntry 8}dnsResNCacheErrIndex OBJECT-TYPESYNTAXInteger32
MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"A value which makes entries in the table unique when the
other index values (dnsResNCacheErrQName,
dnsResNCacheErrQClass, and dnsResNCacheErrQType) do not
provide a unique index."::={ dnsResNCacheErrEntry 9}dnsResNCacheErrPrettyName OBJECT-TYPESYNTAXDnsNameMAX-ACCESSread-onlySTATUScurrentDESCRIPTION"QNAME associated with this row in the table. This is
identical to the dnsResNCacheErrQName variable, except
that character case is preserved in this variable, per
DNS conventions."REFERENCE"RFC-1035 section 2.3.3."::={ dnsResNCacheErrEntry 10}-- Resolver Optional Counters GroupdnsResOptCounterReferals OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of responses which were received from servers
redirecting query to another server."::={ dnsResOptCounter 1}
dnsResOptCounterRetrans OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number requests retransmitted for all reasons."::={ dnsResOptCounter 2}dnsResOptCounterNoResponses OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of queries that were retransmitted because of no
response."::={ dnsResOptCounter 3}dnsResOptCounterRootRetrans OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of queries that were retransmitted that were to
root servers."::={ dnsResOptCounter 4}dnsResOptCounterInternals OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-only
STATUScurrentDESCRIPTION"Number of requests internally generated by the
resolver."::={ dnsResOptCounter 5}dnsResOptCounterInternalTimeOuts OBJECT-TYPESYNTAXCounter32MAX-ACCESSread-onlySTATUScurrentDESCRIPTION"Number of requests internally generated which timed
out."::={ dnsResOptCounter 6}-- SNMPv2 groups.dnsResMIBGroups OBJECTIDENTIFIER::={ dnsResMIB 2}dnsResConfigGroup OBJECT-GROUPOBJECTS{ dnsResConfigImplementIdent,
dnsResConfigService,
dnsResConfigMaxCnames,
dnsResConfigSbeltAddr,
dnsResConfigSbeltName,
dnsResConfigSbeltRecursion,
dnsResConfigSbeltPref,
dnsResConfigSbeltSubTree,
dnsResConfigSbeltClass,
dnsResConfigSbeltStatus,
dnsResConfigUpTime,
dnsResConfigResetTime }STATUScurrentDESCRIPTION"A collection of objects providing basic configuration
information for a DNS resolver implementation."::={ dnsResMIBGroups 1}dnsResCounterGroup OBJECT-GROUPOBJECTS{ dnsResCounterByOpcodeCode,
dnsResCounterByOpcodeQueries,
dnsResCounterByOpcodeResponses,
dnsResCounterByRcodeCode,
dnsResCounterByRcodeResponses,
dnsResCounterNonAuthDataResps,
dnsResCounterNonAuthNoDataResps,
dnsResCounterMartians,
dnsResCounterRecdResponses,
dnsResCounterUnparseResps,
dnsResCounterFallbacks }STATUScurrentDESCRIPTION"A collection of objects providing basic instrumentation
of a DNS resolver implementation."::={ dnsResMIBGroups 2}dnsResLameDelegationGroup OBJECT-GROUPOBJECTS{ dnsResLameDelegationOverflows,
dnsResLameDelegationSource,
dnsResLameDelegationName,
dnsResLameDelegationClass,
dnsResLameDelegationCounts,
dnsResLameDelegationStatus }STATUScurrentDESCRIPTION"A collection of objects providing instrumentation of
`lame delegation' failures."::={ dnsResMIBGroups 3}dnsResCacheGroup OBJECT-GROUPOBJECTS{ dnsResCacheStatus,
dnsResCacheMaxTTL,
dnsResCacheGoodCaches,
dnsResCacheBadCaches,
dnsResCacheRRName,
dnsResCacheRRClass,
dnsResCacheRRType,
dnsResCacheRRTTL,
dnsResCacheRRElapsedTTL,
dnsResCacheRRSource,
dnsResCacheRRData,
dnsResCacheRRStatus,
dnsResCacheRRIndex,
dnsResCacheRRPrettyName }STATUScurrentDESCRIPTION"A collection of objects providing access to and control
of a DNS resolver's cache."::={ dnsResMIBGroups 4}
dnsResNCacheGroup OBJECT-GROUPOBJECTS{ dnsResNCacheStatus,
dnsResNCacheMaxTTL,
dnsResNCacheGoodNCaches,
dnsResNCacheBadNCaches,
dnsResNCacheErrQName,
dnsResNCacheErrQClass,
dnsResNCacheErrQType,
dnsResNCacheErrTTL,
dnsResNCacheErrElapsedTTL,
dnsResNCacheErrSource,
dnsResNCacheErrCode,
dnsResNCacheErrStatus,
dnsResNCacheErrIndex,
dnsResNCacheErrPrettyName }STATUScurrentDESCRIPTION"A collection of objects providing access to and control
of a DNS resolver's negative response cache."::={ dnsResMIBGroups 5}dnsResOptCounterGroup OBJECT-GROUPOBJECTS{ dnsResOptCounterReferals,
dnsResOptCounterRetrans,
dnsResOptCounterNoResponses,
dnsResOptCounterRootRetrans,
dnsResOptCounterInternals,
dnsResOptCounterInternalTimeOuts }STATUScurrent
DESCRIPTION"A collection of objects providing further
instrumentation applicable to many but not all DNS
resolvers."::={ dnsResMIBGroups 6}-- Compliances.dnsResMIBCompliances OBJECTIDENTIFIER::={ dnsResMIB 3}dnsResMIBCompliance MODULE-COMPLIANCESTATUScurrentDESCRIPTION"The compliance statement for agents implementing the DNS
resolver MIB extensions."MODULE-- This MIB moduleMANDATORY-GROUPS{ dnsResConfigGroup, dnsResCounterGroup }GROUP dnsResCacheGroup
DESCRIPTION"The resolver cache group is mandatory for resolvers that
implement a cache."GROUP dnsResNCacheGroup
DESCRIPTION"The resolver negative cache group is mandatory for
resolvers that implement a negative response cache."GROUP dnsResLameDelegationGroup
DESCRIPTION"The lame delegation group is unconditionally optional."GROUP dnsResOptCounterGroup
DESCRIPTION
"The optional counters group is unconditionally
optional."OBJECT dnsResConfigMaxCnames
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResConfigSbeltName
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResConfigSbeltRecursion
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResConfigSbeltPref
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResConfigReset
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResCacheStatus
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResCacheMaxTTL
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResNCacheStatus
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."OBJECT dnsResNCacheMaxTTL
MIN-ACCESSread-onlyDESCRIPTION"This object need not be writable."::={ dnsResMIBCompliances 1}END