Huawei AR150/200 Series Configuration Manual page 16

Huawei AR150&200 Series Enterprise Routers
Configuration Guide - Network Management
The AR150/200 supports SNMPv1, SNMPv2c, and SNMPv3.
supported by SNMP, and
features.
a proper version for the communication between an NM station and managed devices based on
the network operation conditions.
Table 1-2 Description of features supported by SNMP
Feature
Access control
Authentication and encryption
Error code
Trap
GetBulk
Table 1-3 Different SNMP versions' support for the features
Feature
Access control
Issue 02 (2012-03-30)
Table 1-3
Table 1-4 describes the usage scenarios of SNMP versions, which will help you choose
NOTE
When multiple NM stations using different SNMP versions manage the same device in a network,
SNMPv1, SNMPv2c, and SNMPv3 can all be configured on the device for its communication with all the
NM stations.
SNMPv1
Community-name-
based access control
supported
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shows the support of different SNMP versions for the
Description
Restricts a user's device administration rights.
It gives specific users the rights to manage
specified objects on devices and therefore
provides fine management.
Authenticates and encrypts the packets
transmitted between the NM station and
managed devices. This prevents data packets
from being intercepted or modified,
improving data sending security.
Identifies particular faults. An administrator
uses error codes to quickly locate and rectify
faults. The more error codes received, the
more they help an administrator in device
management.
Sent from managed devices to the NM
station. These traps allow an administrator to
discover device faults immediately.
After sending traps, the managed devices do
not require the acknowledgement from the
NM station.
Allows an administrator to perform GetNext
operation in batches. In a large-scale network,
GetBulk reduces the administrator's
workload and improves management
efficiency.
SNMPv2c
Community-name-
based access control
supported
1 SNMP Configuration
Table 1-2 lists the features
SNMPv3
User or user-group-
based access control
supported
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