Hello All, I am running OVS 2.6.1 on Ubuntu 14.04 kernel 4.4.0-87-generic with Openstack Mitaka release with OVS firewall driver(contrack )
MTU is set to 9000 on both the physical nics and icmp is success with ping -Mdo -s 8000 flag how ever tcp and udp streams are too slow. TCP iperf -c 192.168.111.202 ------------------------------------------------------------ Client connecting to 192.168.111.202, TCP port 5001 TCP window size: 92.6 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.111.199 port 44228 connected with 192.168.111.202 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-927.7 sec 175 KBytes 1.54 Kbits/sec UDP iperf -s -u ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 122 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.111.202 port 5001 connected with 192.168.111.199 port 45028 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.086 ms 0/ 893 (0%) Any idea where could be the issue. Regards, Kevin
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