How can change main ip?

[gozargah]

How can change main ip (status: server) on directadmin?
Im do it from ssh on eth0, but i see new main ip status in directadmin ip management is (shared) and old main ip status is (server) and is not deleted from directadmin too!
Help me plese.

 

[smtalk]

http://help.directadmin.com/item.php?id=250 #4