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S12700 V200R011C10 MIB Reference

This document provides the function overview, relationships between tables, description of single objects, description of MIB tables, and description of alarm objects.
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MIB Concepts

MIB Concepts

MIB Objects and Nodes

As shown in Figure 2-4, IF-MIB is used as an example. A MIB tree consists of table, row, and column objects. The table object consists of row objects, and the row object consists of a series of column objects.

The MIB tree nodes are classified into:

  • Leaf node

    A leaf node does not have subnodes in a MIB tree. The leaf nodes are classified into scalar nodes and table nodes.

  • Non-leaf node

    The non-leaf node reflects the association between the subnodes, and cannot be accessed using the SNMP protocol.

Figure 2-4  MIB objects and nodes

In the MIB reference, the row object "Entry" is described as prefix. For example, the description of "The OID prefix of this table is" in ifTable corresponds to ifEntry.

MIB Compliance Statement

MIB compliance statement is used to describes how a feature module complies with the SNMP entity structure. MIB compliance statement cannot be operated using SNMP syntax. As shown in Figure 2-5, LLDP-MIB is used as an example. MIB compliance statement consists of compliances and group, which respectively indicate the number of MIB statements and a collection of objects which are used to configure the corresponding function.

Figure 2-5  MIB compliance statement

MIB compliance statement describes how the feature module complies with the SNMP entity structure, and cannot be operated using SNMP syntax, so it is not included in MIB reference.

Maximum Access

The maximum access to MIB objects specifies the operations that can be performed on the MIB objects, as described in Table 2-1. For details about the operations that can be performed on a specified MIB object, see the MIB object description.

Table 2-1  Maximum access
Maximum Access Description Operation
not-accessible No access right No operation can be performed.
read-only Read-only Read information.
read-write Read and write
  • Read information.
  • Modify configurations.
read-create Read and create
  • Read information.
  • Modify configurations.
  • Create configurations.
  • Delete configurations.
Updated: 2019-03-29

Document ID: EDOC1000178122

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