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Christian, > It does happen roughly each 30-45 secs. That's often enough that it might be possible to discover the problem by using a TCP snooper on your system. Would you be willing to do that? > Since I have put idd.cise- > nsf.gov as an ALTERNATE feed, I do not notice any data loss. I don't understand. With version 6.4 of the LDM it's no longer possible to designate a request as only PRIMARY or SECONDARY. For a given feedtype and pattern, the first REQUEST entry in the configuration- file will result in a PRIMARY-mode connection -- all the remaining REQUEST-s with the same feedtype and pattern will be in ALTERNATE mode. That can change, however, as time passes. Regards, Steve Emmerson Ticket Details =================== Ticket ID: UST-447927 Department: Support LDM Priority: Normal Status: Closed