Siemens SIMATIC NET CP 442-1 RNA Equipment Manual page 51

• 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
Access permissions using community name
The CP uses the following community names to control the access rights in the SNMP agent:
Table 6- 2 Access rights in the SNMP agent
Type of access
Read access
Read and write access
*) Note the use of lowercase letters!
CP 442-1 RNA
Equipment Manual, 03/2022, C79000-G8976-C318-05
Type of interface
Ethernet interface
Port 1-2 (RNA interface)
Community name
*)
public
private
Configuration and operation
6.8 SNMP agent
51