SNMP
User Guide
1025
Table 1-1 Features Supported by Different SNMP Versions
Feature SNMPv1 SNMPv2c SNMPv3
Access Control
Based on SNMP
Community and MIB View
Based on SNMP
Community and MIB View
Based on SNMP User, Group,
and MIB View
Authentication
and Privacy
Based on Community
Name
Based on Community
Name
Supported authentication and
privacy modes are as follows:
Authentication: MD5/SHA
Privacy: DES
Trap
Supported Supported
Supported
Inform
Not supported Supported
Supported
Table 1-2 Application Scenarios of Different Versions
Version Application Scenario
SNMPv1
SNMPv1 is applicable to small-scale networks with simple networking, good stability and
low security requirements, such as campus networks and small enterprise networks.
SNMPv2c
SNMPv2c is applicable to medium and large-scale networks with low security requirements
(or are already secure enough like VPN networks) and heavy traffic. The added feature
Inform helps to ensure that the notifications from the switch are received by the NMS host
even when network congestion occurs.
SNMPv3
SNMPv3 is applicable to networks of various scales, particularly those that have high
security requirements and require devices to be managed by authenticated administrators
(such as when data needs to be transferred on public networks).
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