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A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

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SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

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An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

Try it: sysDescr (1.3.6.1.2.1.1.1) →

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HH3C-DNS-MIB

19 objects

Delete the size of InetAddress for nodes hh3cDnsStaticSrvIpAddr,hh3cDnsDynamicSrvIpAddr.

Imported Objects

HH3C-OID-MIB	hh3cCommon
INET-ADDRESS-MIB	InetAddress InetAddressType
SNMPv2-CONF	MODULE-COMPLIANCE OBJECT-GROUP
SNMPv2-SMI	Integer32 MODULE-IDENTITY OBJECT-TYPE
SNMPv2-TC	RowStatus

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.97	Identityhh3cDns			Delete the size of InetAddress for nodes hh3cDnsStaticSrvIpAddr,hh3cDnsDynamicSrvIpAddr.
1.3.6.1.4.1.25506.2.97.1	Nodehh3cDnsObjects
1.3.6.1.4.1.25506.2.97.1.1	Tablehh3cDnsStaticSrvIpTable	not-accessible	current	This table is a list of DNS static server IPv4 address configuration, which is manually specified.
1.3.6.1.4.1.25506.2.97.1.1.1	Rowhh3cDnsStaticSrvIpEntry	not-accessible	current	An entry of hh3cDnsStaticSrvIpTable.
1.3.6.1.4.1.25506.2.97.1.1.1.1	Columnhh3cDnsStaticSrvIpType	not-accessible	current	This node gives the type of the static DNS server IP address.
1.3.6.1.4.1.25506.2.97.1.1.1.2	Columnhh3cDnsStaticSrvIpAddr	not-accessible	current	This node gives the IP address of the DNS server specified by the user.
1.3.6.1.4.1.25506.2.97.1.1.1.3	Columnhh3cDnsStaticSrvIpPriority	read-only	current	This node gives the priority of the DNS server, according to the creation order. The smaller the value is, the higher the priority level is.
1.3.6.1.4.1.25506.2.97.1.1.1.4	Columnhh3cDnsStaticSrvIpRowStatus	read-create	current	This node gives the operation status of this table entry.
1.3.6.1.4.1.25506.2.97.1.2	Tablehh3cDnsDynamicSrvIpTable	not-accessible	current	This table is a list of DNS dynamic server IPv4 address configuration, which is dynamically obtained through DHCP.
1.3.6.1.4.1.25506.2.97.1.2.1	Rowhh3cDnsDynamicSrvIpEntry	not-accessible	current	An entry of hh3cDnsDynamicSrvIpTable.
1.3.6.1.4.1.25506.2.97.1.2.1.1	Columnhh3cDnsDynamicSrvIpType	not-accessible	current	This node gives the type of the dynamic DNS server IP address.
1.3.6.1.4.1.25506.2.97.1.2.1.2	Columnhh3cDnsDynamicSrvIpAddr	not-accessible	current	This node gives the IP address of the DNS server dynamically obtained through DHCP.
1.3.6.1.4.1.25506.2.97.1.2.1.3	Columnhh3cDnsDynamicSrvIpPriority	read-only	current	This node gives the priority of the DNS server, according to the order obtained through DHCP. The smaller the value is, the higher the priority level is.
1.3.6.1.4.1.25506.2.97.2	Nodehh3cDnsMIBConformance
1.3.6.1.4.1.25506.2.97.2.1	Nodehh3cDnsMIBCompliances
1.3.6.1.4.1.25506.2.97.2.1.1	Compliancehh3cDnsMIBCompliance		current	The compliance statement for entities which implement the DNS MIB.
1.3.6.1.4.1.25506.2.97.2.2	Nodehh3cDnsMIBGroups
1.3.6.1.4.1.25506.2.97.2.2.1	Grouphh3cDnsStaticSrvIpGroup		current	A collection of objects providing mandatory DNS server IP addresses manually specified.
1.3.6.1.4.1.25506.2.97.2.2.2	Grouphh3cDnsDynamicSrvIpGroup		current	A collection of objects providing mandatory DNS server IP addresses dynamically obtained through DHCP.