What is the purpose of the NH_POLL_PING_PKTSIZE environment variable?
The NH_POLL_PING_PKTSIZE environment variable specifies the size in bytes of the ping packet sent by the eHealth system to obtain eHealth latency information.
The default value is 100
Valid Values 0 through 64000.
The size of a ping packet is usually at least 12 bytes. This value can be increased to create ping packets that are closer in size to the systems typical data packets.
How to Set or Change eHealth Environment Variables-NT
How to Set or Change eHealth Environment Variables-Unix