On Thu, 20 Sep 2018 01:00:31 +0900, Soe Ye Htet wrote: > > [1 <text/plain; UTF-8 (7bit)>] > Dear, > > Thanks you for your reply. Let me recall back my wireless topology > Gateway1(RYU Controller)--------Node 1-------Node 2--------Gateway2. > Iperf -s command at Gateway 2 (default window size: 85.3 KByte) and iperf > -c <ip address of Gateway 2> -t 86400 -i 10 at Node 2. The testing for > iperf between Node 2 and Gateway 2 could be run for 24 hours. > Running iperf -s command at Gateway1(default window size: 85.3 Kbyte) and > iperf -c <ip address of Gateway1> -t 86400 -i 10 at Node 1. The testing of > iperf between Node 2 and Gateway 2 could be only run 200 seconds. Then > increasing window size up to 195 Kbyte at Gateway 1 increase the running > time up to 10000 seconds for TCP iperf experiment between Gateway 1 and > Node 1. I will share the experience for the root cause after the > investigation has been done.
Sounds like a radio interference. Have you checked packet drops or TCP retransmission counts (as seen in netstat -s)? -- IWAMOTO Toshihiro _______________________________________________ Ryu-devel mailing list Ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel
