>> Yeah the removal of the p2p topology was one of the reasons. It's >> actually the fact that ics-openvpn doesn't really parse point-to-point >> ifconfig that made me aware of this. > > I wasn't aware of that, but since Arne is reading here, maybe he can > comment on it. It's possible that the Android VPN API just does not > permit p2p mode, but wants a subnet. > > Arne, any idea if /31 works on Android?
Yes. But Android is special here anyway. It always wants a subnet mask but the mask can be also be 255.255.255.255. And you also don't have a gateway address and Android also does not set a route to the tun interface (On Android 4.4+). So basically you always operate in p2p mode and emulate other modes by adding routes to the tun interface. Arne
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