What is a significant issue for IPv6-in-IPv4 manual tunnels? Manual tunnels only run well over the Ethernet. Manual tunnels only support the 6to4 transition mechanism. Manual tunneling does not scale well. Manual tunnels require that Layer 4 protocols be modified.
Added by Brad O.
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Manual tunnels are a method of encapsulating IPv6 packets within IPv4 packets to facilitate communication between IPv6 networks over an IPv4 infrastructure. Show more…
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