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MIB
SNMP uses a hierarchical naming convention to identify managed objects and to distinguish
between managed objects. This hierarchical structure is similar to a tree with the nodes
representing managed objects.
shows a managed object that can be identified by the
path from the root to the node representing it.
Figure 1-2
MIB tree structure
A
2
6
1
5
2
1
1
2
1
B
In
, the managed object B can be determined by a string of digits {1.2.1.1}. This
string is the Object Identifier of the managed object. The MIB describes the hierarchical structure
of the tree and is a definite collection of standard variables on monitored network devices.
SNMP Operation
SNMP applies a GET-SET mode instead of a complex command set. It makes use of the basic
operations to deduce all other operations.
You can adopt the standard MIB or standard mode to define your individual MIB. This reduces
the cost of the entire network management by reducing the cost of most of the agent components
in the network management system.
lists the basic SNMP operations.
Table 1-1
Basic SNMP operations
Action
Function
GetRequest
Getting the value from a variable
GetNextRequest
Getting next value from the table
GetResponse
Responding GetRequest, GetNextRequest and
SetRequest operation
GetBulk
This operation equals continuously performing
GetNext operations not for SNMPv1.
SetRequest
Setting value of a specific variable
Trap
Reporting event information
1 SNMP Configuration
Quidway S9300 Terabit Routing Switch
Configuration Guide - Network Management
1-4
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 03 (2010-09-20)