YangXin, As you mentioned, CMA is already running balance on port 8080. Your network security people will need to allow connections in from NCAR and ECMWF to port 8080 on your system. That step will need to be completed before we can test bandwidth for data flowing out of the CMA. Best Regards, mike Ticket Details =================== Ticket ID: RFZ-122547 Department: Support IDD TIGGE Priority: Normal Status: Closed