The KeepAliveInterval property indicates the interval separating Keep Alive Retransmissions until a response is received. ...

The KeepAliveInterval property indicates the interval separating Keep Alive Retransmissions until a response is received. Once a response is received, the delay until the next Keep Alive Transmission is again controlled by the value of KeepAliveTime. The connection will be aborted after the number of retransmissions specified by TcpMaxDataRetransmissions have gone unanswered. Default: 1000, Valid Range: 1 - 0xFFFFFFFF.