Configuration and operation
6.11 SNMP agent
CP 443-1 (EX30)
Manual, 03/2019, C79000-G8976-C255-05
59
For more detailed information on working with MIB files, refer to the documentation of the
SNMP client you are using (example of an SNMP client: SNMP OPC server from
SIMATIC NET).
You will find more information on the MIB in /5/ (Page 82).
The CP supports the following groups of MIB objects of the standard MIB II according to
RFC1213:
● System
● Interfaces
● IP
● ICMP
● TCP
● UDP
● SNMP
● Address Translation (AT)
The other groups of the MIB II standard are not supported:
● EGP
● Transmission
The CP also supports the LLDPMIB according to IEEE 802.1AB, the PROFINET expansions
of the LLDPMIB (see also IEC 61158106), the Automation System MIB and the
MRP Monitoring MIB.
Exceptions / restrictions:
● Write access is permitted only for the following MIB objects of the system group:
– sysContact
– sysLocation
– sysName
A set sysName is sent as the host name using DHCP option 12 to the DHCP server to
register with a DNS server.
For all other MIB objects / MIB object groups, only read access is possible for security
reasons.
● Traps are not supported by the CP.
The "Interfaces" MIB object provides status information on the CP interfaces, with the
following assignment:
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