Hi all, I am trying to run iperf test among Mininet hosts but I observe that the client port taken during the test doesn't match to what I had mentioned in the command line.
*Config: *two hosts h1 (10.0.1.1) and h3 (10.0.3.3) connected through switches in Mininet *Test 1:* Sending a flow from h1 to h3 h3> iperf3 -s -p 7575 h1> iperf3 -c 10.0.3.3 -p 7575 -B 10.0.1.1 --cport 7576 tcpdump shows perfect results. flow from 10.0.1.1:7576 is sent to 10.0.3.3:7575 *Test 2 *(after having run test 1): Sending flow from h3 to h1 with client port 7576 (Basically for my exp, I need same port with a given IP for both tests) h1> iperf3 -s -p 7576 h3> iperf3 -c 10.0.1.1 -p 7576 -B 10.0.3.3 --cport 7575 I want a flow to go from 10.0.3.3:7575 to 10.0.1.1:7576 But, tcpdump shows that some random client port number is being taken. Is it some issue with iperf or maybe the port is getting reserved in test 1? What could be done if I want to successfully run this test i.e. have these client port numbers with the IP? Regards, Harsh G
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