Hi Stephen, On Mon, Jun 11, 2012 at 8:43 PM, Stephen Donecker <[email protected]> wrote: > I am running iperf UDP tests between two mesh STA's and consistently getting > a high datagram loss. Do you guys have any suggestions on how to go about > solving this problem? > > Mesh STA's: > Openwrt r32062 > Ubiquity Routerstation > Ubiquity SR71-15 > > root@OpenWrt_1:~# iperf -c 192.168.11.3 -p 7777 -u -b 300m -t 10 -i 1 > ------------------------------------------------------------ > Client connecting to 192.168.11.3, UDP port 7777 > Sending 1470 byte datagrams > UDP buffer size: 160 KByte (default) > ------------------------------------------------------------ > [ 3] local 192.168.11.1 port 40460 connected with 192.168.11.3 port 7777 > [ ID] Interval Transfer Bandwidth > [ 3] 0.0- 1.0 sec 25.6 MBytes 215 Mbits/sec > [ 3] 1.0- 2.0 sec 25.4 MBytes 213 Mbits/sec > [ 3] 2.0- 3.0 sec 26.0 MBytes 218 Mbits/sec > [ 3] 3.0- 4.0 sec 25.8 MBytes 217 Mbits/sec > [ 3] 4.0- 5.0 sec 25.3 MBytes 213 Mbits/sec > [ 3] 5.0- 6.0 sec 25.5 MBytes 214 Mbits/sec > [ 3] 6.0- 7.0 sec 25.8 MBytes 216 Mbits/sec > [ 3] 7.0- 8.0 sec 25.6 MBytes 215 Mbits/sec > [ 3] 8.0- 9.0 sec 25.6 MBytes 215 Mbits/sec > [ 3] 9.0-10.0 sec 26.0 MBytes 218 Mbits/sec > [ 3] 0.0-10.0 sec 257 MBytes 215 Mbits/sec > [ 3] Sent 183155 datagrams > [ 3] Server Report: > [ 3] 0.0-10.0 sec 55.5 MBytes 46.5 Mbits/sec 0.199 ms 143544/183156 > (78%)
So your client transmitted at about 215Mb/s, but the link could only support 46.5Mb/s and the excess traffic was dropped. Which band and channel type are you using for this link? Thomas _______________________________________________ Devel mailing list [email protected] http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel
