Siemens SIMATIC S7-1200 CP 1243-8 IRC Operating Instructions Manual page 176

Diagnostics and upkeep
6.4 SNMP
It returns the contents of MIB objects of the standard MIB II according to RFC 1213 and the
Siemens Automation MIB.
● MIB II
The CP supports the following groups of MIB objects:
– System
– Interfaces
– IP
– ICMP
– TCP
– UDP
– SNMP
The following groups of the MIB II standard are not supported:
– Adress Translation (AT)
– EGP
– Transmission
● Siemens Automation MIB
The following exceptions / restrictions apply to the CP.
Write access is permitted only for the following MIB objects of the system group:
– sysContact
– sysLocation
– sysName
For all other MIB objects / MIB object groups, only read access is possible for security
reasons.
Traps are not supported by the CP.
For more detailed information about the MIB files and SNMP, refer to the manual /13/
(Page 228).
Configuration
For information on the configuration, refer to:
● With security functions disabled (SNMPv1): SNMP (Page 104)
● With security functions enabled (SNMPv1 / SNMPv3): SNMP (Page 118)
176
The "Interfaces" MIB object provides status information about the CP interfaces.
A set sysName is sent as the host name using DHCP option 12 to the DHCP server to
register with a DNS server.
Operating Instructions, 02/2018, C79000-G8976-C385-03
CP 1243-8 IRC