SNMP Driver

General

Driver	Protocol	Protocol standard / version	Official protocol certification	Included in Base License Package?	Additional Licensing Requirements	License Key (Code Meter)	Operating System
SNMP Driver	SNMP	SNMP V1,V2,V3	❌	❌	IO based	SNMP	Windows | Linux

Network

Driver	Encrypted communication to periphery device	Client Or Server / TCP or UDP	Default Port	Firewall Direction
SNMP	✔	UDP	161 | 162 (Traps)	outbound | inbound (Traps)

Configuration Details

Driver	Recommended/technical limit of connections per driver	Multiple driver instances	Redundant network	Redundant devices	Special hardware requirements
SNMP	1000 (Technical limit from resource consumption)	✔ (different port)	❌	✔	❌

Communication

Driver	Polling	Poll on use	Single query	Unsolicited communication	Driver redundancy: Only active driver polls	Buffering1
SNMP	✔	❌	✔	✔ (Traps)	configurable	❌

Engineering

Driver	Direct browsing of configuration/address data from connected devices	Import functionality of configuration/address data from external tools	Deletion of internal connection DP is supported
SNMP	✔	❌	✔

Special Telegrams

Driver	Native alarm transfer from connected devices / PLCs	Connection establishment without active address
SNMP	❌	✔

Timestamps and Synchronization

Driver	Timestamp transfer from periphery device	Time synchronization (WinCC OA to PLC)
SNMP	❌	❌