Don't know what impact is on tinc operation? Laptop extract (3G): .. Connected to MainPC (41.242.172.108 port 655) .. Sending ID to MainPC (41.242.172.108 port 655): 0 Laptop 17 .. Got ID from MainPC (41.242.172.108 port 655): 0 MainPC 17 .. Sending CHALLENGE to MainPC (41.242.172.108 port 655): ... .. Bogus data received from MainPC (41.242.172.108 port 655) .. Closing connection with MainPC (41.242.172.108 port 655) MainPC extract (DSL): .. Connection from 41.208.50.180 port 8173 .. Sending ID to <unknown> (41.208.50.180 port 8173): 0 MainPC 17 .. Got ID from <unknown> (41.208.50.180 port 8173): 0 Laptop 17 .. Sending METAKEY to Laptop (41.208.50.180 port 8173): ... .. Got METAKEY from Laptop (41.208.50.180 port 8173): ... .. Sending CHALLENGE to Laptop (41.208.50.180 port 8173): ... .. Sending 259 bytes of metadata to Laptop (41.208.50.180 port 8173) .. Connection closed by Laptop (41.208.50.180 port 8173) Kind regards Graham Smith