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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-TUNNEL-TRAP-MIB

33 objects

This MIB file defines the tunnel trap warning feature only.

Imported Objects

HH3C-OID-MIB	hh3cCommon
INET-ADDRESS-MIB	InetAddress InetAddressType
SNMPv2-SMI	Integer32 MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE Unsigned32

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.226	Identityhh3cTunnelTrap			This MIB file defines the tunnel trap warning feature only.
1.3.6.1.4.1.25506.2.226.1	Nodehh3cTunnelTrapStatus
1.3.6.1.4.1.25506.2.226.1.1	Nodehh3cTunnelTrapVxlanStatus
1.3.6.1.4.1.25506.2.226.1.1.0	Nodehh3cTunnelTrapsVxlanStatus
1.3.6.1.4.1.25506.2.226.1.1.0.1	Notificationhh3cTunnelTrapVxlanStatusUp		current	If the status of the VXLAN tunnel changes to up, a trap message is generated and sent to the remote monitoring device.
1.3.6.1.4.1.25506.2.226.1.1.0.2	Notificationhh3cTunnelTrapVxlanStatusDown		current	If the status of the VXLAN tunnel changes to down, a trap message is generated and sent to the remote monitoring device.
1.3.6.1.4.1.25506.2.226.1.1.1	Nodehh3cTunnelTrapStatusObjects
1.3.6.1.4.1.25506.2.226.1.1.1.1	Scalarhh3cTunnelTrapVxlanStatusSType	accessible-for-notify	current	VXLAN tunnel source address type.
1.3.6.1.4.1.25506.2.226.1.1.1.2	Scalarhh3cTunnelTrapVxlanStatusSrcIP	accessible-for-notify	current	VXLAN tunnel source address.
1.3.6.1.4.1.25506.2.226.1.1.1.3	Scalarhh3cTunnelTrapVxlanStatusDType	accessible-for-notify	current	VXLAN tunnel destination address type.
1.3.6.1.4.1.25506.2.226.1.1.1.4	Scalarhh3cTunnelTrapVxlanStatusDstIP	accessible-for-notify	current	VXLAN tunnel destination address.
1.3.6.1.4.1.25506.2.226.2	Nodehh3cTunnelTrapVxlanCfg
1.3.6.1.4.1.25506.2.226.2.0	Nodehh3cTunnelTrapsVxlanCfg
1.3.6.1.4.1.25506.2.226.2.0.1	Notificationhh3cTunnelTrapVxlanCfgFailed		current	Vxlan tunnel configuration delivery failed.
1.3.6.1.4.1.25506.2.226.2.1	Nodehh3cTunnelTrapVxlanCfgObjects
1.3.6.1.4.1.25506.2.226.2.1.1	Scalarhh3cTunnelTrapVxlanCfgTunnelIfNo	accessible-for-notify	current	Tunnel interface number.
1.3.6.1.4.1.25506.2.226.3	Nodehh3cTunnelTrapVxlanDecap
1.3.6.1.4.1.25506.2.226.3.0	Nodehh3cTunnelTrapsVxlanDecap
1.3.6.1.4.1.25506.2.226.3.0.1	Notificationhh3cTunnelTrapVxlanFailDecapPkt		current	Failed to decapsulate VXLAN packet on the device.
1.3.6.1.4.1.25506.2.226.3.1	Nodehh3cTunnelTrapVxlanDecapObjects
1.3.6.1.4.1.25506.2.226.3.1.1	Scalarhh3cTunnelTrapVxlanChassis	accessible-for-notify	current	The information of chassis ID. If the value is 65535, the device is not a stacked device.
1.3.6.1.4.1.25506.2.226.3.1.2	Scalarhh3cTunnelTrapVxlanSlot	accessible-for-notify	current	The information of slot.
1.3.6.1.4.1.25506.2.226.3.1.3	Scalarhh3cTunnelTrapVxlanVni	accessible-for-notify	current	The network identifier of VXLAN.
1.3.6.1.4.1.25506.2.226.3.1.4	Scalarhh3cTunnelTrapVxlanSrcType	accessible-for-notify	current	VXLAN tunnel source address type.
1.3.6.1.4.1.25506.2.226.3.1.5	Scalarhh3cTunnelTrapVxlanSrcIP	accessible-for-notify	current	VXLAN tunnel source address.
1.3.6.1.4.1.25506.2.226.3.1.6	Scalarhh3cTunnelTrapVxlanDstType	accessible-for-notify	current	VXLAN tunnel destination address type.
1.3.6.1.4.1.25506.2.226.3.1.7	Scalarhh3cTunnelTrapVxlanDstIP	accessible-for-notify	current	VXLAN tunnel destination address.
1.3.6.1.4.1.25506.2.226.4	Nodehh3cTunnelTrapIfNumExceed
1.3.6.1.4.1.25506.2.226.4.0	Nodehh3cTunnelTrapsIfNumExceed
1.3.6.1.4.1.25506.2.226.4.0.1	Notificationhh3cTunnelTrapIfNumExceeded		current	The number of tunnel interfaces on the device exceeds the limit.
1.3.6.1.4.1.25506.2.226.4.1	Nodehh3cTunnelTrapIfNumExceedObjects
1.3.6.1.4.1.25506.2.226.4.1.1	Scalarhh3cTunnelTrapIfNumExceedCurNum	accessible-for-notify	current	Current number of tunnel interfaces.
1.3.6.1.4.1.25506.2.226.4.1.2	Scalarhh3cTunnelTrapIfNumExceedSpecNum	accessible-for-notify	current	Maximum number of tunnel interfaces.