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Hello LDM Users and IDD Participants, Recently a few of our sites experienced data reception that was severely throttled or stopped for no apparent reason. Symptoms were inconsistent and somewhat sporadic and included: extremely low throughput latency problems RPC time outs "can't contact portmapper" messages "no route to host" messages ldmping failure, usually due to RPC time out In some cases a subset of products got through, but in other cases nothing got through. It was finally determined that these sites had installed Packetshaper, a product developed by Packeteer to analyze and "shape" traffic. It is often used to limit traffic from low priority applications. Packetshaper is a box that generally sits between a router and switch. Thus, there's no way to tell whether it's running except to ask your network administrator. This note is let our community be aware of the possibility that Packetshaper may be affecting the flow of data into or out of their sites. Also, we've been in contact with technical support at Packeteer in order to help sites configure Packetshaper to allow IDD traffic to flow as freely as possible. For more information please see http://www.unidata.ucar.edu/packages/ldm/packetshaper/packetshaper.html. Anne -- *************************************************** Anne Wilson UCAR Unidata Program address@hidden P.O. Box 3000 Boulder, CO 80307 ---------------------------------------------------- Unidata WWW server http://www.unidata.ucar.edu/ ****************************************************