[44net] how to route Mikrotik Gateway Commercial IP to the ISP and not to UCSD ?

Hi there I have investigated the High drops that my Router get from UCSD with the help of the new PCAP files that Brian Made available for us it tern out that my router MikroTik that sit on the DMZ of the Cable modem Is Probed from the outside world in its Commercial IP and send its Trafic to the UCSD interface which is its default route How can I redirect packets from the outside world that sent to the router commercial IP to go back to the ISP and not go to the UCSD interface ? is there any Mikrotik Expert that can tell me what to do ? I need only to route the ip of the router that sit on the DMZ I saw that another Mikrotik on the AMPRNT get a lot of drops and it looks it have something similar Any help is welcome As i Stated before Im willing to give web telnet Or SSH access Just for Info the router connected on the DMZ of the Main Cable router it uses 192.168.1.x address and the DMZ point to this address Regards Any info is more then welcome Regards Ronen - 4Z4ZQ http://www.ronen.org Ronen Pinchooks (4Z4ZQ) WebSite<http://www.ronen.org/> www.ronen.org ronen.org (Ronen Pinchooks (4Z4ZQ) WebSite) is hosted by domainavenue.com