> On Apr 13, 2018, at 12:27 AM, Vincent Bernat <bernat at luffy.cx> wrote: > > Maybe AS6 is used internally by the next AS on the path? I've definitely seen (and sadly, interacted with) operators that solved their "why doesn't non-meshed iBGP do what I'm expecting" problems by simply using different low-numbered ASNs internally (1,2,3... 19) instead of proper private ASNs. Theo