Emerson PACSystems RX3i, User Manual

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RSTI-EP PROFINET I/O Controller User Manual Section 7
GFK-2571R May 2021
Network Management 143
Section 7: Network Management
The PROFINET Controller supports the SNMP (Simple Network Management Protocol) and
LLDP (Link Layer Discovery Protocol) standards to facilitate network management.
This Section describes:
• SNMP
-
Overview of SNMP
- Supported SNMP Features
- SNMP Read Access
- SNMP Write Access
-
MIB-II Groups Supported
-
MIB-II System Group Values
• LLDP
-
Overview of LLDP
-
LLDP Operation
-
LLDP TLV Structures
7.1 SNMP
The built-in SNMP (Simple Network Management Protocol) Server/Agent function on the
PROFINET Controller can be used by a third-party SNMP Client or Network Management
Station to access network data.
7.1.1 Overview of SNMP
SNMP is a UDP-based network protocol that facilitates the exchange of management
information between network devices. An SNMP-managed network consists of three key
components: managed devices, agents, and network management systems (NMS).
A managed device is a network node that contains an SNMP agent and that resides on a
managed network. Managed devices exchange management information with NMSs via
their local agent.
An agent is a network management software module that resides on a managed device. An
agent maintains a collection of management information that it provides in an SNMP-
compatible format upon request to NMSs.
An NMS executes applications that monitor and control managed devices.