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• Trap—The SNMP agent sends traps to report events to the NMS.
• Inform—The NMS sends alarms to other NMSs.
SNMP protocol versions
H3C supports SNMPv1, SNMPv2c, and SNMPv3.
• SNMPv1 uses community names for authentication. To access an SNMP agent, an NMS must use
the same community name as set on the SNMP agent. If the community name used by the NMS is
different from the community name set on the agent, the NMS cannot establish an SNMP session to
access the agent or receive traps and notifications from the agent.
• SNMPv2c also uses community names for authentication. SNMPv2c is compatible with SNMPv1,
but supports more operation modes, data types, and error codes.
• SNMPv3 uses a user-based security model (USM) to secure SNMP communication. You can
configure authentication and privacy mechanisms to authenticate and encrypt SNMP packets for
integrity, authenticity, and confidentiality.
IMPORTANT:
An NMS and an SNMP agent must use the same SNMP version to communicate with each other.
SNMP configuration task list
Complete the following tasks to configure SNMP:
Task Remarks
Configuring basic SNMP settings Required
Configuring network management-specific interface index Optional
Configuring SNMP logging Optional
Configuring SNMP traps Optional
Configuring basic SNMP settings
SNMPv3 differs from SNMPv1 and SNMPv2c in many aspects. Their configuration procedures are
described in separate sections.
Configuring basic SNMPv3 settings
Follow these steps to configure basic SNMPv3 settings:
To do… Use the command… Remarks
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