NRF_SO_BINDTOPDN

#define NRF_SO_BINDTOPDN   40

#include <nrf_modem/include/nrf_socket.h>

Bind a socket to a Packet Data Network (PDN) ID (write-only)

The passed option is an integer specifying the PDN ID. If a socket is bound to an interface, only packets received from that particular interface are processed by the socket.