-Migration is secure using SSH tunnel by default. For secure private
-networks you can disable it to speed up migration.
+Defines how many workers (per node) are maximal started on actions like 'stopall VMs' or task from the ha-manager.
+
+`migration`: `[type=]<secure|insecure> [,network=<CIDR>]` ::
+
+For cluster wide migration settings.
+
+`network`=`<CIDR>` ;;
+
+CIDR of the (sub) network that is used for migration.
+
+`type`=`<insecure | secure>` ('default =' `secure`);;
+
+Migration traffic is encrypted using an SSH tunnel by default. On secure, completely private networks this can be disabled to increase performance.
+
+`migration_unsecure`: `<boolean>` ::
+
+Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration. Deprecated, use the 'migration' property instead!