On Fri, Mar 23, 2018 at 09:01:04PM +0200, Mihai Popescu wrote: > > It is not clear what hardware you use in front of openbsd, but i guess > it is just a dsl modem.
It is. > Is it a pure modem, or maybe it has some router capabilities. If so, > is it configured to act as a bridge? It is configured as a bridge. > Can you get a conection on your ISP with other computer than openbsd one? Yes, my Win 10 box can establish a PPPoE connection with the modem in bridge mode. I will see what WinDump or Wireshark can reveal about what it is doing.