Snmp Operations - Huawei Quidway S5700 Series Configuration Manual - Network Management

Quidway S5700 Series Ethernet Switches
Configuration Guide - Network Management
Figure 1-1 SNMP structure
NM Station
NM Station
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,
path from the root to the node representing it.
Figure 1-2 Structure of a MIB tree
1
As shown in
a number string is called an Object Identifier (OID). A MIB tree is used to describe the hierarchy
of data in a MIB that collects the definitions of variables on the managed devices.
A user can use a standard MIB or define a MIB based on certain standards. Using a standard
MIB can reduce the costs on proxy deployment and therefore reduce the costs on the entire
network management system.

SNMP Operations

SNMP uses Get and Set operations to replace a complex command set. The operations described
in Figure 1-3
Issue 01 (2011-10-26)
UDP Port161
Request
Response
UDP Port162
1
2
1
1
2
B
5 6
A
Figure 1-2, object B is uniquely identified by a string of numbers, {1.2.1.1}. Such
can implement all functions.
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Agent
Agent
Figure 1-2 shows a managed object that can be identified by the
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1 SNMP Configuration
3