Dual Stack in a Virtual Data Center Environment
What is Dual Stack
Dual stack simply means configuring an IPv4 address and an IPv6 address on the same interface of a particular device (Router,L3 switch).
This means you do not need separate physical or virtual interfaces to configure both an IPv4 and IPv6 address. In fact you do not need a separate VLAN for an IPv6 address, it will be configured within the same VLAN as the IPv4 address.
This is probably the best option for an enterprise that already has a IPv4 environment and now want to embark on IPv6 infrastructure.
Which is exactly what I have done for my IPv6 deployment for an Enterprise Virtual Data Center.
To configure IPv6 you simply enter the correct commands, starting with IPv6 unicast routing........
The diagram below provide a bit more of a clear understanding on the subject.

What a great and clear explanation! Thank you
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