Huawei NetEngine5000E, Configuration Manual

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Figure 3-3 Schematic diagram of SNMP operations
UDP Port161
NM Station
Agent
UDP Port162
get-request
get-response
get-next-request
get-response
set-request
get-response
trap
Table 3-1 gives details on the SNMP operations.
Table 3-1 SNMP operations
Operation Function
GetRequest Retrieves the value of a variable. The NM station sends the
request to a managed device to obtain the status of an object
on the device.
GetNextRequest Retrieves the value of the next variable. The NM station
sends the request to a managed device to obtain the status
of the next object on the device.
GetResponse Responds to GetRequest, GetNextRequest, and
SetRequest operations. GetResponse is sent from the
managed device to the NM station, or by the manager in
case of inform ack and is processed by SNMP agent.
GetBulk Is an NMS-to-agent request, equaling continuous GetNext
operations.
SetRequest Sets the value of a variable. The NM station sends the
request to a managed device to adjust the status of an object
on the device.
Trap Reports an event to the NM station.
Inform Reports an event to the NM station and require
acknowledgement from the NM station.
3.1.2 SNMP Features Supported by the NE5000E
This section compares SNMP versions in terms of their support for features and usage scenarios
to provide a reference for your SNMP version selection during network deployment.
The NE5000E supports SNMPv1, SNMPv2c, and SNMPv3. Table 3-2 lists the features
supported by SNMP, and Table 3-3 shows the support of different SNMP versions for the
HUAWEI NetEngine5000E Core Router
Configuration Guide - System Management
3 SNMP Configuration
Issue 01 (2011-10-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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