If you use the show pmi command before you reset the Branch Gateway, two different PMIs display:

Active PMI The IPv4 PMI that the Branch Gateway is currently using, as defined in the running configuration file.

Configured PMI The PMI that the Branch Gateway is configured to use after reset, as defined in the startup configuration file.

Active PMI6The IPv6 PMI that the Branch Gateway is currently using, as defined in the running configuration file.