Specifies the time that a socket can have no data transmitted before a "ping’ packet will be sent to all the receiving end to determine that the socket it still good. Will use no value less than 5. The RPCPingInterval is subject to the ToleranceFactor on the receiving machine. The receiver will wait 3 times this long or RPCReconnectTime, whichever is longer, to disconnect if no data is received.
Default: RPCPingInterval = 5
