I'm having several issues with IPv6 and ZBF. I've narrowed one of them to a very simple setup.I tried 15.1(4)M in GNS2 and 15.1(4)M3 on a 1812.The setup is [PC] ----- [R1] ------ [R2]R1 and R2 are interconnected by IPv6 only and there is a tunnel ove...