H3C Technologies H3C MSR 50 - Manual (Page 285)

264
Configuring SNMP
This chapter is only applicable to the MSR 20/30/50/930 routers.
For information about configuring SNMP from the Web interface for the MSR 900/20-1X routers, see
"Configuring SNMP (lite version)."
Overview
The Simple Network Management Protocol (SNMP) is an Internet standard protocol widely used for a
management station to access and operate the devices on a network, regardless of their vendors,
physical characteristics and interconnect technologies.
The SNMP framework comprises the following elements:
• SNMP manager—Works on an NMS to monitor and manage the SNMP-capable devices in the
network.
• SNMP agent—Works on a managed device to receive and handle requests from the NMS, and
send traps to the NMS when some events, such as interface state change, occur.
H3C supports SNMPv1, SNMPv2c, and SNMPv3. An NMS and an SNMP agent must use the same
SNMP version to communicate with each other.
• 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—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.
For more information about SNMP, see H3C MSR Series Routers Network Management and Monitoring
Configuration Guide.
SNMP agent configuration task list
SNMPv3 differs from SNMPv1 and SNMPv2c in many ways. Their configuration procedures are
described in separate sections.