RADLAN-DNSCL-MIB

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Category: Vendor: RADLAN/Cisco SB

Description: Configures DNS client settings including server addresses and domain search lists.

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What Is RADLAN-DNSCL-MIB?

RADLAN-DNSCL-MIB is a RADLAN/Marvell-derived private MIB for managed Ethernet switches that configures the device's DNS client behavior, including DNS server addresses, domain search lists, and retransmission tuning. It exposes primarily configuration-oriented data: enabling/disabling the DNS client, defining domain name entries with ownership and row-status control, and setting retry counts and intervals for DNS queries. From a monitoring standpoint it is used to verify that the switch's own name-resolution service is correctly configured and operating, which indirectly affects the reliability of other software features (like syslog, NTP, or RADIUS) that depend on hostname resolution. It has no formal dependency on other MIBs beyond standard SNMP conventions, though it complements standard IP-MIB and DNS-related management practice. It is typically deployed on enterprise or SMB Ethernet switches where DNS client settings need to be managed alongside other IP services. Engineers can download the RADLAN-DNSCL-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in RADLAN-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

Marvell/RADLAN-based managed Ethernet switch

Monitoring Examples

An administrator can inspect rlDnsClEnable to confirm the DNS client is active and walk rlDnsClDomainNameTable/rlDnsClDomainNameEntry to verify configured domain suffixes via rlDnsClDomainNameName and rlDnsClDomainNameOwner. Checking rlDnsClMaxNumOfRetransmissions and rlDnsClMinRetransmissionInterval reveals whether retry tuning is too aggressive or too lax, which would explain slow or failed name resolution on the switch. The rlDnsClNamesTable/rlDnsClNamesEntry with rlDnsClNamesName lets an operator confirm configured DNS server names are as expected.

What Can Be Monitored

DNS client enable status
configured domain search suffixes
DNS retransmission count and interval
configured DNS server name entries

Imported Objects

From DNS-RESOLVER-MIB

dnsResConfigSbeltEntry

OBJECT-TYPE

From DNS-SERVER-MIB

DnsName

From RADLAN-MIB

rlDnsCl

OBJECT-IDENTITY

From SNMPv2-SMI

Integer32
IpAddress
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TruthValue

From SNMPv2-TC-v1

DisplayString

OIDs

OID symbolic	OID numeric	Type	Access	Description
INT rlDnsClMibVersion	1.3.6.1.4.1.89.93.1	INTEGER	read-only	MIB's version, the current version is 1.
INT rlDnsClEnable	1.3.6.1.4.1.89.93.2	INTEGER	read-write	Enable or Disable the use of the DNS client feature.
rlDnsClDomainNameTable	1.3.6.1.4.1.89.93.3		not-accessible	The domain names table.
rlDnsClDomainNameEntry	1.3.6.1.4.1.89.93.3.1		not-accessible	The row definition for this table.
DNS rlDnsClDomainNameName	1.3.6.1.4.1.89.93.3.1.1	DnsName	read-write	The domain name for this ifIndex.
INT rlDnsClDomainNameOwner	1.3.6.1.4.1.89.93.3.1.2	INTEGER	read-write	The Domain Name owner. Static if Domain Name defined by user, dhcp if received by boot protocol like DHCP.
ROW rlDnsClDomainNameRowStatus	1.3.6.1.4.1.89.93.3.1.3	RowStatus	read-write	The row status variable, used according to row installation and removal conventions.
INT rlDnsClMaxNumOfRetransmissions	1.3.6.1.4.1.89.93.4	INTEGER	read-write	The maximum number of retransmissions for each query.
INT rlDnsClMinRetransmissionInterval	1.3.6.1.4.1.89.93.5	INTEGER	read-write	The minimum number of seconds that must elapsed before retransmission for each query.
rlDnsClNamesTable	1.3.6.1.4.1.89.93.6		not-accessible	The Names table.
rlDnsClNamesEntry	1.3.6.1.4.1.89.93.6.1		not-accessible	The row definition for this table.
DNS rlDnsClNamesName	1.3.6.1.4.1.89.93.6.1.1	DnsName	read-only	The host name.
INT rlDnsClNamesOwner	1.3.6.1.4.1.89.93.6.1.2	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	1.3.6.1.4.1.89.93.6.1.3	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	1.3.6.1.4.1.89.93.6.1.4	IpAddress	read-write	The host IP address
ROW rlDnsClNamesRowStatus	1.3.6.1.4.1.89.93.6.1.5	RowStatus	read-write	The row status variable, used according to row installation and removal conventions.
dnsResConfigSbeltExtTable	1.3.6.1.4.1.89.93.7		not-accessible	Augmenting dnsResConfigSbeltTable (dns resolver safety belt table) for added info
dnsResConfigSbeltExtEntry	1.3.6.1.4.1.89.93.7.1		not-accessible	A row of the table dnsResConfigSbeltTable Extended by this definition.
INT dnsResConfigSbeltOwner	1.3.6.1.4.1.89.93.7.1.1	INTEGER	read-write	The DNS server Entry owner. Static if DNS server Entry defined by user, dhcp if received by boot protocol like DHCP.

RFC description

DNS client configuration for ROS-based devices, including domain name settings and DNS resolver management.

Start monitoring Marvell/RADLAN-based managed Ethernet switch (DNS client configuration) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download RADLAN-DNSCL-MIB

What Is RADLAN-DNSCL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description