Specifying Tcp Addresses - Siemens NCM S7 Manual

Configuring Communication Connections
4.6.2

Specifying TCP Addresses

Address Parameters and Connection Types
With TCP, the communication partners are addressed by the local and remote
endpoints as follows:
S Local addresses:
Local IP address and local port
S Remote addresses:
Remote IP address and remote port
Ethernet station A
Figure 4-18 Sending and Receiving on One TCP Connection
Depending on the required connection type, the remote address parameters are
either specified or left open during configuration.
S Specified TCP connection
You specified a destination station when you created the connection.
S Unspecified TCP connection
You entered "unspecified" for the connection partner when you created the
connection.
122
remote
port TCP
connection
local
port
MAC
address A
Ethernet station B
local
port
remote
port
IP address
B
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06