DLINK-3100-DNSCL-MIB

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Category: Protocol: DNS, Vendor: D-Link

Description: D-Link 3100 DNS client MIB providing objects to configure DNS resolver settings and monitor name resolution status.

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What Is DLINK-3100-DNSCL-MIB?

DLINK-3100-DNSCL-MIB is a vendor-specific D-Link MIB for the DLINK-3100 series router/gateway, managing DNS client (resolver) configuration, including configured domain names, retransmission behavior, and cached/known name entries. It exposes configuration tables for domain name suffixes and per-name records, along with resolver tuning parameters like maximum retransmissions and minimum retransmission interval. Its monitoring value is around software/configuration status of the DNS resolver -- confirming the client is enabled, correctly configured with domain suffixes, and successfully resolving names -- rather than hardware sensors. No explicit dependency on other MIBs is indicated, though it likely parallels standard DNS client conventions within D-Link's private enterprise tree. It is deployed by administrators managing D-Link 3100-series gateways/routers to ensure reliable DNS resolution for device management and network services. Engineers can download the DLINK-3100-DNSCL-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DLINK-3100-DNSCL-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

D-Link 3100-series router/gateway

Monitoring Examples

An administrator would check rlDnsClEnable to confirm the DNS client is active, then inspect rlDnsClDomainNameTable/rlDnsClDomainNameEntry entries (indexed by rlDnsClDomainNameName) to verify configured domain suffixes are correct, and review rlDnsClNamesTable for cached name resolution entries. Excessive rlDnsClMaxNumOfRetransmissions being reached would reveal that DNS queries are frequently timing out, pointing to a reachability problem with the configured DNS server.

What Can Be Monitored

DNS client enable status
configured domain name suffixes
cached/resolved name entries
DNS retransmission count and interval
DNS client module version

Imported Objects

From DLINK-3100-MIB

rlDnsCl

OBJECT-IDENTITY

From DNS-RESOLVER-MIB

dnsResConfigSbeltEntry

OBJECT-TYPE

From DNS-SERVER-MIB

DnsClass
DnsName
DnsNameAsIndex
DnsOpCode
DnsQClass
DnsQType
DnsRespCode
DnsTime
DnsType
dns	OBJECT-IDENTITY

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-SMI

Integer32
IpAddress
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
RowStatus
TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
INT rlDnsClMibVersion	1.3.6.1.4.1.171.10.94.89.89.93.1	INTEGER	read-only	MIB's version, the current version is 1.
INT rlDnsClEnable	1.3.6.1.4.1.171.10.94.89.89.93.2	INTEGER	read-write	Enable or Disable the use of the DNS client feature.
rlDnsClDomainNameTable	1.3.6.1.4.1.171.10.94.89.89.93.3		not-accessible	The domain names table.
rlDnsClDomainNameEntry	1.3.6.1.4.1.171.10.94.89.89.93.3.1		not-accessible	The row definition for this table.
DNS rlDnsClDomainNameName	1.3.6.1.4.1.171.10.94.89.89.93.3.1.1	DnsName	read-write	The domain name for this ifIndex.
INT rlDnsClDomainNameOwner	1.3.6.1.4.1.171.10.94.89.89.93.3.1.2	INTEGER	read-write	The Domain Name owner. Static if Domain Name defined by user, dhcp if received by boot protocol like DHCP.
ROW rlDnsClDomainNameRowStatus	1.3.6.1.4.1.171.10.94.89.89.93.3.1.3	RowStatus	read-write	The row status variable, used according to row installation and removal conventions.
INT rlDnsClMaxNumOfRetransmissions	1.3.6.1.4.1.171.10.94.89.89.93.4	INTEGER	read-write	The maximum number of retransmissions for each query.
INT rlDnsClMinRetransmissionInterval	1.3.6.1.4.1.171.10.94.89.89.93.5	INTEGER	read-write	The minimum number of seconds that must elapsed before retransmission for each query.
rlDnsClNamesTable	1.3.6.1.4.1.171.10.94.89.89.93.6		not-accessible	The Names table.
rlDnsClNamesEntry	1.3.6.1.4.1.171.10.94.89.89.93.6.1		not-accessible	The row definition for this table.
DNS rlDnsClNamesName	1.3.6.1.4.1.171.10.94.89.89.93.6.1.1	DnsName	read-only	The host name.
INT rlDnsClNamesOwner	1.3.6.1.4.1.171.10.94.89.89.93.6.1.2	INTEGER	read-write	The Host Name Entry owner. Static if Host Name Entry defined by user, dhcp if received by boot protocol like DHCP.
I32 rlDnsClNamesIndex	1.3.6.1.4.1.171.10.94.89.89.93.6.1.3	Integer32	not-accessible	A value which makes entries in the table unique when the other index values (rlDnsClNamesName) do not provide a unique index.
IP rlDnsClNamesAddr	1.3.6.1.4.1.171.10.94.89.89.93.6.1.4	IpAddress	read-write	The host IP address
ROW rlDnsClNamesRowStatus	1.3.6.1.4.1.171.10.94.89.89.93.6.1.5	RowStatus	read-write	The row status variable, used according to row installation and removal conventions.
rlDnsResConfigSbeltExtTable	1.3.6.1.4.1.171.10.94.89.89.93.7		not-accessible	Augmenting rlDnsResConfigSbeltTable (dns resolver safety belt table) for added info
rlDnsResConfigSbeltExtEntry	1.3.6.1.4.1.171.10.94.89.89.93.7.1		not-accessible	A row of the table rlDnsResConfigSbeltTable Extended by this definition.
INT rlDnsResConfigSbeltOwner	1.3.6.1.4.1.171.10.94.89.89.93.7.1.1	INTEGER	read-write	The DNS server Entry owner. Static if DNS server Entry defined by user, dhcp if received by boot protocol like DHCP.
rlDnsClNamesInetTable	1.3.6.1.4.1.171.10.94.89.89.93.8		not-accessible	The Names table.
rlDnsClNamesInetEntry	1.3.6.1.4.1.171.10.94.89.89.93.8.1		not-accessible	The row definition for this table.
DNS rlDnsClNamesInetName	1.3.6.1.4.1.171.10.94.89.89.93.8.1.1	DnsName	read-only	The host name.
INT rlDnsClNamesInetOwner	1.3.6.1.4.1.171.10.94.89.89.93.8.1.2	INTEGER	read-write	The Host Name Entry owner. Static if Host Name Entry defined by user, dhcp if received by boot protocol like DHCP.
I32 rlDnsClNamesInetIndex	1.3.6.1.4.1.171.10.94.89.89.93.8.1.3	Integer32	not-accessible	A value which makes entries in the table unique when the other index values (rlDnsClNamesName) do not provide a unique index.
DNS rlDnsClNamesInetRRType	1.3.6.1.4.1.171.10.94.89.89.93.8.1.4	DnsType	not-accessible	DNS type of the Resource Record in the cache which is identified in this row of the table. The user can configure 'a' or 'aaaa' types only.
IPt rlDnsClNamesInetAddrType	1.3.6.1.4.1.171.10.94.89.89.93.8.1.5	InetAddressType	read-write	The address type of rlDnsResNCacheErrInetSource. Only IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or unknown(0) if datagrams for all local IP addresses are accepted.
IP rlDnsClNamesInetAddr	1.3.6.1.4.1.171.10.94.89.89.93.8.1.6	InetAddress	read-write	The host IP address
ROW rlDnsClNamesInetRowStatus	1.3.6.1.4.1.171.10.94.89.89.93.8.1.7	RowStatus	read-write	The row status variable, used according to row installation and removal conventions.
rlDnsResConfigSbeltInetTable	1.3.6.1.4.1.171.10.94.89.89.93.9		not-accessible	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.
rlDnsResConfigSbeltInetEntry	1.3.6.1.4.1.171.10.94.89.89.93.9.1		not-accessible	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.
IPt rlDnsResConfigSbeltInetAddrType	1.3.6.1.4.1.171.10.94.89.89.93.9.1.1	InetAddressType	not-accessible	The address type of rlDnsResConfigSbeltInetAddr. Only IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or unknown(0) if datagrams for all local IP addresses are accepted.
IP rlDnsResConfigSbeltInetAddr	1.3.6.1.4.1.171.10.94.89.89.93.9.1.2	InetAddress	not-accessible	The IP address of the Sbelt name server identified by this row of the table.
DNS rlDnsResConfigSbeltInetName	1.3.6.1.4.1.171.10.94.89.89.93.9.1.3	DnsName	read-create	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.
INT rlDnsResConfigSbeltInetRecursion	1.3.6.1.4.1.171.10.94.89.89.93.9.1.4	INTEGER	read-create	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.
INT rlDnsResConfigSbeltInetPref	1.3.6.1.4.1.171.10.94.89.89.93.9.1.5	INTEGER	read-create	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.
DNS rlDnsResConfigSbeltInetSubTree	1.3.6.1.4.1.171.10.94.89.89.93.9.1.6	DnsNameAsIndex	not-accessible	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).
DNS rlDnsResConfigSbeltInetClass	1.3.6.1.4.1.171.10.94.89.89.93.9.1.7	DnsClass	not-accessible	The class of DNS queries that will be sent to the server identified by this row of the table.
ROW rlDnsResConfigSbeltInetStatus	1.3.6.1.4.1.171.10.94.89.89.93.9.1.8	RowStatus	read-create	Row status column for this row of the Sbelt table.
rlDnsResCacheRRInetTable	1.3.6.1.4.1.171.10.94.89.89.93.10		not-accessible	This table contains information about all the resource records currently in the resolver's cache.
rlDnsResCacheRRInetEntry	1.3.6.1.4.1.171.10.94.89.89.93.10.1		not-accessible	An entry in the resolvers's cache. Rows may be created only by the resolver. SNMP SET requests may be used to delete rows.
DNS rlDnsResCacheRRInetName	1.3.6.1.4.1.171.10.94.89.89.93.10.1.1	DnsNameAsIndex	not-accessible	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.
DNS rlDnsResCacheRRInetClass	1.3.6.1.4.1.171.10.94.89.89.93.10.1.2	DnsClass	not-accessible	DNS class of the Resource Record in the cache which is identified in this row of the table.
DNS rlDnsResCacheRRInetType	1.3.6.1.4.1.171.10.94.89.89.93.10.1.3	DnsType	not-accessible	DNS type of the Resource Record in the cache which is identified in this row of the table.
DNS rlDnsResCacheRRInetTTL	1.3.6.1.4.1.171.10.94.89.89.93.10.1.4	DnsTime	read-only	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.
DNS rlDnsResCacheRRInetElapsedTTL	1.3.6.1.4.1.171.10.94.89.89.93.10.1.5	DnsTime	read-only	Elapsed seconds since RR was received.
IPt rlDnsResCacheRRInetSourceAddrType	1.3.6.1.4.1.171.10.94.89.89.93.10.1.6	InetAddressType	read-only	The address type of rlDnsResCacheRRInetSource. Only IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or unknown(0) if datagrams for all local IP addresses are accepted.
IP rlDnsResCacheRRInetSource	1.3.6.1.4.1.171.10.94.89.89.93.10.1.7	InetAddress	read-only	Host from which RR was received, 0.0.0.0 if unknown.
OCT rlDnsResCacheRRInetData	1.3.6.1.4.1.171.10.94.89.89.93.10.1.8	OCTET STRING	read-only	RDATA portion of a cached RR. The value is in the format defined for the particular DNS class and type of the resource record.
ROW rlDnsResCacheRRInetStatus	1.3.6.1.4.1.171.10.94.89.89.93.10.1.9	RowStatus	read-write	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).
I32 rlDnsResCacheRRInetIndex	1.3.6.1.4.1.171.10.94.89.89.93.10.1.10	Integer32	not-accessible	A value which makes entries in the table unique when the other index values (rlDnsResCacheRRName, rlDnsResCacheRRClass, and rlDnsResCacheRRType) do not provide a unique index.
DNS rlDnsResCacheRRInetPrettyName	1.3.6.1.4.1.171.10.94.89.89.93.10.1.11	DnsName	read-only	Name of the RR at this row in the table. This is identical to the rlDnsResCacheRRName variable, except that character case is preserved in this variable, per DNS conventions.
rlDnsResNCacheErrInetTable	1.3.6.1.4.1.171.10.94.89.89.93.11		not-accessible	The resolver's negative response cache. This table contains information about authoritative errors that have been cached by the resolver.
rlDnsResNCacheErrInetEntry	1.3.6.1.4.1.171.10.94.89.89.93.11.1		not-accessible	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.
DNS rlDnsResNCacheErrInetQName	1.3.6.1.4.1.171.10.94.89.89.93.11.1.1	DnsNameAsIndex	not-accessible	QNAME associated with a cached authoritative error.
DNS rlDnsResNCacheErrInetQClass	1.3.6.1.4.1.171.10.94.89.89.93.11.1.2	DnsQClass	not-accessible	DNS QCLASS associated with a cached authoritative error.
DNS rlDnsResNCacheErrInetQType	1.3.6.1.4.1.171.10.94.89.89.93.11.1.3	DnsQType	not-accessible	DNS QTYPE associated with a cached authoritative error.
DNS rlDnsResNCacheErrInetTTL	1.3.6.1.4.1.171.10.94.89.89.93.11.1.4	DnsTime	read-only	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.
DNS rlDnsResNCacheErrInetElapsedTTL	1.3.6.1.4.1.171.10.94.89.89.93.11.1.5	DnsTime	read-only	Elapsed seconds since authoritative error was received.
IPt rlDnsResNCacheErrInetSourceAddrType	1.3.6.1.4.1.171.10.94.89.89.93.11.1.6	InetAddressType	read-only	The address type of rlDnsResNCacheErrInetSource. Only IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or unknown(0) if datagrams for all local IP addresses are accepted.
IP rlDnsResNCacheErrInetSource	1.3.6.1.4.1.171.10.94.89.89.93.11.1.7	InetAddress	read-only	Host which sent the authoritative error, 0.0.0.0 if unknown.
INT rlDnsResNCacheErrInetCode	1.3.6.1.4.1.171.10.94.89.89.93.11.1.8	INTEGER	read-only	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.
ROW rlDnsResNCacheErrInetStatus	1.3.6.1.4.1.171.10.94.89.89.93.11.1.9	RowStatus	read-write	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).
I32 rlDnsResNCacheErrInetIndex	1.3.6.1.4.1.171.10.94.89.89.93.11.1.10	Integer32	read-only	A value which makes entries in the table unique when the other index values (rlDnsResNCacheErrQName, rlDnsResNCacheErrQClass, and rlDnsResNCacheErrQType) do not provide a unique index.
DNS rlDnsResNCacheErrInetPrettyName	1.3.6.1.4.1.171.10.94.89.89.93.11.1.11	DnsName	read-only	QNAME associated with this row in the table. This is identical to the rlDnsResNCacheErrQName variable, except that character case is preserved in this variable, per DNS conventions.
rlDnsResConfigSbeltExtInetTable	1.3.6.1.4.1.171.10.94.89.89.93.12		not-accessible	Augmenting rlDnsResConfigSbeltInetTable (dns resolver safety belt table) for added info
rlDnsResConfigSbeltExtInetEntry	1.3.6.1.4.1.171.10.94.89.89.93.12.1		not-accessible	A row of the table rlDnsResConfigSbeltInetTable Extended by this definition.
INT rlDnsResConfigSbeltInetOwner	1.3.6.1.4.1.171.10.94.89.89.93.12.1.1	INTEGER	read-write	The DNS server Entry owner. Static if DNS server Entry defined by user, dhcp if received by boot protocol like DHCP.

RFC description

D-Link DNS client configuration for domain names, resolution, and DNS server management.

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Download DLINK-3100-DNSCL-MIB

What Is DLINK-3100-DNSCL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description