Siemens SIMATIC NET S7-400 Manual page 47

Supported MIBs
The CP supports the following groups of MIB objects of the standard MIB II according to
RFC1213:
● System
● Interfaces
● IP
● ICMP
● TCP
● UDP
● SNMP
The other groups of the MIB II standard are not supported:
● EGP
● Transmission
● at
The CP also supports the Automation System MIB and the PRP-MIB (IEC-62439-3-MIB).
Exceptions / restrictions:
● 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.
"Interfaces" MIB group
The "Interfaces" MIB object provides status information about the CP interfaces. The MIB
objects of the ifTable provide the status information of the interfaces. The "ifIndex" object
identifier is assigned to the CP interfaces as follows:
Table 6- 1 ifIndex
ifIndex
1
2-3
CP 443-1 RNA
Manual, 03/2019, C79000-G8976-C299-04
Type of interface
Ethernet interface
Port 1-2 (RNA interface)
Configuration and operation
6.8 SNMP agent
47