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Which three IPv6 overlay tunnel statements are true?

In IPv6 network, an IPv6 overlay tunnel is required to communicate with isolated IPv6
networks across the existing IPv4 infrastructurE. There are currently five IPv6 overlay tunnel
types. Which three IPv6 overlay tunnel statements are true? (Choose three)

PrepAway - Latest Free Exam Questions & Answers

A.
Overlay tunnels can only be configured between border routers capable of supporting
IPv4 and IPv6.

B.
An manual overlay tunnel supports point-to-multipoint tunnels capable of carrying IPv6
and Connectionless Network Service (CLNS) packets.

C.
Overlay tunneling encapsulates IPv6 packets in IPv4 packets for delivery across an IPv4
infrastructure.

D.
Overlay tunnels can be configured between border routers or between a border router
and a host capable of supporting IPv4 and IPv6.

E.
Cisco IOS supports manual, generic routing encapsulation (GRE), IPv4-compatible, 6to4,
and Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) overlay tunneling
mechanisms.

F.
Cisco IOS supports manual, generic routing encapsulation (GRE), IPv6-compatible, 4to6,
and Multiprotocol Label Switching (MPLS) overlay tunneling mechanisms.


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