Understanding interoperability with IPv4

Because IPv6 has not yet fully replaced IPv4, there needs to be a means of using the two protocols together to allow communication to take place. What if you are using IPv6 and the recipient is using IPv4? What if you are both using IPv6 but the data needs to transit through an IPv4 network or vice versa? Let's find out.

The MTA exam only requires you to have overview knowledge of the technologies we are going to cover.

Dual stack

Dual stack is a means for a network interface card to support and process IPv4 and IPv6 traffic simultaneously. To be able to do this, the NIC needs to have both protocols enabled and configured to have an IP address from each version, whether that is...