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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-EVB-MIB

56 objects

EVB management information base for managing devices that support Ethernet Virtual Bridging. This MIB is an extension of IEEE8021-EVB-MIB.

Imported Objects

HH3C-OID-MIB	hh3cCommon
IEEE8021-TC-MIB	IEEE8021BridgePortNumber
IF-MIB	InterfaceIndexOrZero
Q-BRIDGE-MIB	VlanIndex
SNMPv2-SMI	Integer32 MODULE-IDENTITY OBJECT-TYPE Unsigned32
SNMPv2-TC	MacAddress RowStatus TruthValue

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.134	Identityhh3cEvb			EVB management information base for managing devices that support Ethernet Virtual Bridging. This MIB is an extension of IEEE8021-EVB-MIB.
1.3.6.1.4.1.25506.2.134.1	Nodehh3cEvbSysObjects
1.3.6.1.4.1.25506.2.134.1.1	Scalarhh3cEvbSetResult	read-only	current	If a set operation on EVB-MIB-tables returns success, this object indicates the actual result of this operation. Otherwise, it is meaningless. unknown: The set…
1.3.6.1.4.1.25506.2.134.1.2	Tablehh3cEvbDefaultManagerTable	not-accessible	current	A table that contains configuration information for the default Virtual Station Interface (VSI) manager.
1.3.6.1.4.1.25506.2.134.1.2.1	Rowhh3cEvbDefaultManagerEntry	not-accessible	current	A list of objects containing information for the default VSI manager.
1.3.6.1.4.1.25506.2.134.1.2.1.1	Columnhh3cEvbManagerIndex	not-accessible	current	Index of the default manager table.
1.3.6.1.4.1.25506.2.134.1.2.1.2	Columnhh3cEvbManagerType	read-create	current	Type of the default VSI manager. ipv4: Specifies the IPv4 address of the default VSI manager. ipv6: Specifies the IPv6 address of the default VSI manager. name…
1.3.6.1.4.1.25506.2.134.1.2.1.3	Columnhh3cEvbManagerID	read-create	current	Default VSI manager. The value is zero-length string when the VSI manager type is 'local'.
1.3.6.1.4.1.25506.2.134.1.2.1.4	Columnhh3cEvbManagerPort	read-create	current	Port number of the default VSI manager. Optional when the VSI manager type is not 'local'. If the VSI manager type is 'local', it returns zero.
1.3.6.1.4.1.25506.2.134.1.2.1.5	Columnhh3cEvbManagerRowStatus	read-create	current	Row status: CreateAndGo, Active, or Destroy.
1.3.6.1.4.1.25506.2.134.2	Nodehh3cEvbPortObjects
1.3.6.1.4.1.25506.2.134.2.1	Tablehh3cEvbPortConfigTable	not-accessible	current	A table that contains configuration information for the EVB bridge port.
1.3.6.1.4.1.25506.2.134.2.1.1	Rowhh3cEvbPortConfigEntry	not-accessible	current	A list of objects containing information for the EVB bridge port.
1.3.6.1.4.1.25506.2.134.2.1.1.1	Columnhh3cEvbPortNumber	not-accessible	current	Port number.
1.3.6.1.4.1.25506.2.134.2.1.1.2	Columnhh3cEvbRWD	read-write	current	VDP resource wait delay exponent.
1.3.6.1.4.1.25506.2.134.2.1.1.3	Columnhh3cEvbRKA	read-write	current	VDP keepalive exponent.
1.3.6.1.4.1.25506.2.134.2.2	Tablehh3cEvbSchannelConfigTable	not-accessible	current	A table that contains configuration information for the S-channel.
1.3.6.1.4.1.25506.2.134.2.2.1	Rowhh3cEvbSchannelConfigEntry	not-accessible	current	A list of objects containing information for the S-channel.
1.3.6.1.4.1.25506.2.134.2.2.1.1	Columnhh3cEvbSchannelID	not-accessible	current	S-channel ID.
1.3.6.1.4.1.25506.2.134.2.2.1.2	Columnhh3cEvbSchannelSVLAN	read-create	current	S-VLAN ID. 0 means that the S-channel is not bound to any S-VLAN. 1 represents the SVID for the default S-channel S-channel 1.
1.3.6.1.4.1.25506.2.134.2.2.1.3	Columnhh3cEvbMacLearningStatus	read-write	current	The MAC address learning function is enabled or not.
1.3.6.1.4.1.25506.2.134.2.2.1.4	Columnhh3cEvbRRStatus	read-write	current	The RR mode for the S-channel is enabled or not.
1.3.6.1.4.1.25506.2.134.2.2.1.5	Columnhh3cEvbSchannelRowStatus	read-create	current	Row status: CreateAndGo, Active, or Destroy.
1.3.6.1.4.1.25506.2.134.2.3	Tablehh3cEvbVSIConfigTable	not-accessible	current	A table that contains configuration information for the VSI.
1.3.6.1.4.1.25506.2.134.2.3.1	Rowhh3cEvbVSIConfigEntry	not-accessible	current	A list of objects containing information for the VSI.
1.3.6.1.4.1.25506.2.134.2.3.1.1	Columnhh3cEvbSBPPortNumber	not-accessible	current	The Station-facing Bridge Port (SBP) port number.
1.3.6.1.4.1.25506.2.134.2.3.1.2	Columnhh3cEvbVSILocalID	not-accessible	current	VSI local ID.
1.3.6.1.4.1.25506.2.134.2.3.1.3	Columnhh3cEvbVSICommand	read-create	current	This object indicates the association or pre-associate property of the VSI.
1.3.6.1.4.1.25506.2.134.2.3.1.4	Columnhh3cEvbVSIIfIndex	read-only	current	VSI interface index.
1.3.6.1.4.1.25506.2.134.2.3.1.5	Columnhh3cEvbVSIIsActive	read-write	current	The VSI is activated or not. Activate a VSI after configuring a VSI filter, and deactivate a VSI before removing a VSI filter.
1.3.6.1.4.1.25506.2.134.2.3.1.6	Columnhh3cEvbVSIRowStatus	read-create	current	Row status: CreateAndGo, Active, or Destroy.
1.3.6.1.4.1.25506.2.134.2.4	Tablehh3cEvbVSIFilterConfigTable	not-accessible	current	A table that contains configuration information for filters of the VSI.
1.3.6.1.4.1.25506.2.134.2.4.1	Rowhh3cEvbVSIFilterConfigEntry	not-accessible	current	A list of objects containing information for filters of the VSI.
1.3.6.1.4.1.25506.2.134.2.4.1.1	Columnhh3cEvbGroupID	not-accessible	current	Group ID.
1.3.6.1.4.1.25506.2.134.2.4.1.2	Columnhh3cEvbVSIMac	not-accessible	current	The MAC address part of the MAC/VLANs for a VSI.
1.3.6.1.4.1.25506.2.134.2.4.1.3	Columnhh3cEvbVSIVlanId	not-accessible	current	The VLAN ID part of the MAC/VLANs for a VSI.
1.3.6.1.4.1.25506.2.134.2.4.1.4	Columnhh3cEvbVSIFilterRowStatus	read-create	current	Row status: CreateAndGo, Active, or Destroy.
1.3.6.1.4.1.25506.2.134.3	Nodehh3cFlex10Objects
1.3.6.1.4.1.25506.2.134.3.1	Tablehh3cFlex10PortConfigTable	not-accessible	current	A table that contains configuration information for the flex10 bridge port.
1.3.6.1.4.1.25506.2.134.3.1.1	Rowhh3cFlex10PortConfigEntry	not-accessible	current	A list of objects containing information for the flex10 bridge port.
1.3.6.1.4.1.25506.2.134.3.1.1.1	Columnhh3cFlex10PortNumber	not-accessible	current	Port number.
1.3.6.1.4.1.25506.2.134.3.1.1.2	Columnhh3cFlex10PortEnableStatus	read-write	current	The flex10 function is enabled or not.
1.3.6.1.4.1.25506.2.134.3.2	Tablehh3cFlex10RemoteSchannelTable	not-accessible	current	A table that contains remote S-channel details.
1.3.6.1.4.1.25506.2.134.3.2.1	Rowhh3cFlex10RemoteSchannelEntry	not-accessible	current	A list of objects describing remote S-channels.
1.3.6.1.4.1.25506.2.134.3.2.1.1	Columnhh3cFlex10RemSchDesFormat	read-only	current	Description format of the remote S-channel.
1.3.6.1.4.1.25506.2.134.3.2.1.2	Columnhh3cFlex10RemSchTerminationType	read-only	current	Termination type of the remote S-channel. 0: PCI Physical Function (Primary). 1: SRIOV Virtual Function. 2: PCI Physical Function (Secondary). 3: Virtual Switc…
1.3.6.1.4.1.25506.2.134.3.2.1.3	Columnhh3cFlex10RemSchTerminationCap	read-only	current	Termination capabilities of the remote S-channel. If a Description TLV with format 0 has not been received, it returns all zeros.
1.3.6.1.4.1.25506.2.134.3.2.1.4	Columnhh3cFlex10RemSchTrafficClass	read-only	current	Traffic classes of the remote S-channel. If a Description TLV with format 0 has not been received, it returns all zeros.
1.3.6.1.4.1.25506.2.134.3.2.1.5	Columnhh3cFlex10RemSchCir	read-only	current	Committed Information Rate (CIR) of the remote S-channel. If a Description TLV with format 0 has not been received, it returns 0.
1.3.6.1.4.1.25506.2.134.3.2.1.6	Columnhh3cFlex10RemSchPir	read-only	current	Peak Information Rate (PIR) of the remote S-channel. If a Description TLV with format 0 has not been received, it returns 0.
1.3.6.1.4.1.25506.2.134.3.2.1.7	Columnhh3cFlex10RemSchConnectionID	read-only	current	Connection instance ID of the remote S-channel. The value is a zero-length string if a Description TLV with format 1 has not been received. Otherwise it return…
1.3.6.1.4.1.25506.2.134.3.3	Tablehh3cFlex10SchannelLinkCtlTable	not-accessible	current	A table that contains link status information for the S-channel.
1.3.6.1.4.1.25506.2.134.3.3.1	Rowhh3cFlex10SchannelLinkCtlEntry	not-accessible	current	A list of objects containing information for the S-channel.
1.3.6.1.4.1.25506.2.134.3.3.1.1	Columnhh3cFlex10SchannelSVID	read-only	current	S-VLAN ID for the S-channel.
1.3.6.1.4.1.25506.2.134.3.3.1.2	Columnhh3cFlex10SchannelLocalStatus	read-only	current	Link status of the local S-channel.
1.3.6.1.4.1.25506.2.134.3.3.1.3	Columnhh3cFlex10SchannelRemoteStatus	read-only	current	Link status of the remote S-channel.