The subnets the fan uses are not automatically includes in the IP allowlist that MySQL 8 default to - which is basically all RFC1918 ranges:
https://dev.mysql.com/doc/refman/8.0/en/group-replication-ip-address-permissions.html
So use of fan networking would definitely not work with this charm right now.
The subnets the fan uses are not automatically includes in the IP allowlist that MySQL 8 default to - which is basically all RFC1918 ranges:
https:/ /dev.mysql. com/doc/ refman/ 8.0/en/ group-replicati on-ip-address- permissions. html
So use of fan networking would definitely not work with this charm right now.