Siemens SIMATIC NET SCALANCE SC-600 Configuration Manual page 260

Configuring with Web Based Management
4.6 "Layer 3" menu
• Address Type
Shows the address type. The following values are possible:
– Primary
– Secondary
260
The first IPv4 address that was configured on an IPv4 interface.
All other IPv4 addresses that were configured on the IPv4 interface.
SCALANCE SC-600 Web Based Management (WBM)
Configuration Manual, 10/2021, C79000-G8976-C475-03