On 2013/09/13 09:10, Martin Pieuchot wrote: > On 12/09/13(Thu) 13:50, Philip Guenther wrote: > > (I don't get why it's useful for tun0-in-layer3 mode to have the same > > if_index as tun0-in-layer2 mode. The properties are so different that > > there doesn't really seem to be continuity of identity between them.) > > Me neither, is there any reason for that before I start digging into it?
I haven't checked, but it is possible that a program sets link0 mode itself and keeps using the old index number. OpenVPN would be the most likely candidate for this.
