Diagnostics and upkeep
6.4 SNMP
CP 1243-8 IRC
Operating Instructions, 02/2018, C79000-G8976-C385-03
175
Connection establishment to use the online functions via Ethernet
Procedure:
1.
Connect the ES to the network.
2.
Open the relevant STEP 7 project on the ES.
3.
Select the CP or the CPU of the station whose CP you want to update with new firmware.
4.
Enable the online functions using the "Connect online" icon.
5.
In the "Connect online" dialog, go to the Choose the entry "TeleService via telecontrol" in
the "Type of PG/PC interface" drop-down list.
6.
In the "PG/PC interface" drop-down list select the entry "TeleService board".
7.
In the table select the CP if it is not already selected.
The path both via the CP or the CPU is possible.
8.
Click on the
icon next to the "PG/PC interface" drop-down list.
The "Establish remote connection via telecontrol" dialog box opens.
9.
Make the necessary entries in this dialog (see below) and click on "Connect".
Terminate online connection
On completion of the online session, terminate the online connection again using the
"Disconnect" button.
6.4
SNMP
SNMP (Simple Network Management Protocol)
SNMP is a protocol for management and diagnostics of networks and nodes in the network.
To transmit data, SNMP uses the connectionless UDP protocol.
The information on the properties of SNMP-compliant devices is stored in MIB files (MIB =
Management Information Base).
Range of performance of the CP as an SNMP agent
The CP supports data queries in the following SNMP versions:
●
SNMPv1 (standard)
●
SNMPv3 (security)