On 2 November 2017 at 13:07, kevin parrikar <kevin.parker...@gmail.com> wrote:
> 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. > > If you are using tunnels, reduce the MTU of the inner packet by the amount of tunnel header. > 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 > > > > _______________________________________________ > discuss mailing list > disc...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > >
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