On vr, 29 mrt 2019 14:58:43 +0100, Oleksij Rempel wrote: > + if (j1939_pgn_is_valid(jsk->pgn_rx_filter) && > + jsk->pgn_rx_filter != skcb->addr.dst_pgn) > + return false; I must have misunderstood the introduction of pgn_rx_filter. I'd assume that the PGN used during bind() is used for transmission, and the one using connect() is used for reception. Did I swap, or did I get compeletely lost? Kurt