I am using Iperf/iperf3 -c remotehost which is
iPerf3 is a tool for active measurements of the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, buffers and protocols (TCP, UDP, SCTP with IPv4 and IPv6).
My question is how to use random port with a specific range (5300-5400) while using Iperf/iperf3 -c remotehost