When trying to enable SQL PI Foglight cannot create the SQL PI repository.
The error message "Failed to install SQL PI repository" that appears within "Administration | SQL Performance Investigator" when clicking on the "Status" column.
The Foglight Agent Manager (FGLAM) agent log shows an exception error
"Caused by: java.net.NoRouteToHostException: No route to host"
when the connection tried to be established from the Foglight Management Server (FMS) to to FGLAM server where the SQL PI repository located. Connection on port  failed.