>>The bridge interface itself is the Mikrotik’s own port participating in the bridge
ok, but if the bridge interface is one more interface like ether1, ether2…, why i can add IP address only to bridge interface, and cannot use IP addresses to ether1/2… interfaces?? see http://forum.mikrotik.com/t/how-can-i-add-interface-to-two-bridge/97015/1