Siemens SIMATIC NET S7-CPs Configuring And Installing page 157

Ethernet station A
Figure 5-18 Sending and receiving on one UDP connection
Depending on the required connection type, the remote address parameters are
either specified or left open during configuration.
S Specified UDP connection
You specified a destination station when you created the connection.
Configuring broadcast or multicast provides you with a further option (see
Section 5.7.3 below).
S Unspecified UDP connection
You entered "unspecified" for the connection partner when you created the
connection.
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 07/2010
C79000−G8976−C182−10
remote
port UDP
connection
local
port
MAC
address A
5 Configuring Communication Connections
Ethernet station B
local
port
remote
port
IP
address B
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