On 13/09/2016 02:28, Ryota Ozaki wrote: > It seems that DAD doesn't run on ifconfig pppoe0 up > and pppoe0 remains as detached. > > The following processing is happening: > - ifconfig up calls ioctl(SIOCSIFFLAGS) > that calls ifioctl_common normally > - ifioctl_common schedules DAD eventually > but only if IFF_UP & IFF_RUNNING > (see in_if_link_up) > - However, some interfaces including pppoe set > IFF_RUNNING *after* calling ifioctl_common > - Such interfaces don't run DAD > and remain as detached > > I don't know how to fix it properly.
Where does pppoe even set IFF_RUNNING? I couldn't find that.
