Currently a service provider provides IPv4 traceroute services between MPLS PE routers. The provider wants to implement IPv6 with MPLS 6PE/6VPE and then provide parallel IPv6 traceroute services between MPLS PE routers. Which two design solutions provide this service? (Choose two.)
A. The P routers must support ICMPv6.
B. The PE routers must support ICMPv6.
C. The P routers must support full IPv6.
D. The PE routers must support full IPv6.
