Which method supports IPv4 and IPv6 to coexist without requiring both to be used for a single connection while migrating from IPv4 to IPv6?
A. Dual-stack method
B. 6to4 tunneling
C. GRE tunneling
Dual stack means that devices are able to run both IPv4 and IPv6 at the same time. It allows hosts to use either IPv4 and/or IPv6 for content.
CCNP Routing and Switching