Resolved! GRE IPV6 Confusion!
I need some clarity on this type of GRE configuration Configuration of R3:!interface Tunnel34 no ip address ipv6 address 2026::34:1/122 ipv6 enable ipv6 ospf 6 area 34 tunnel source Serial0/0/0.34 tunnel destination 10.1.1.10 tunnel mode ipv6 @@@...