How to dual stack IPv4 and IPv6 on a switch in Packet Tracer 7.3 – New CCNAv7 danscourses 9 months ago How to dual stack IPv4 and IPv6 on a switch in Packet Tracer 7.3 – New CCNAv7 Packet Tracer 7.3 tutorial, shows how to configure a switch to use dual stack IPv4 and IPv6 for the new CCNAv7 curriculum. .