On Tue, 30 Oct 2018 14:40:57 +0900,
Soe Ye Htet wrote:
> 
> [1  <text/plain; UTF-8 (7bit)>]
> Dear RYU Team,
> 
> Please let me share my observation. First of all please let me represent
> simple testing topology. OvS1(RYU)-------------OvS2. Iperf3 sever is
> running at OvS1 and Iperf3 client is running at OvS2. Then the wireless
> interface of OVS2 cannot transmit any packet after 30 minutes of Iperf
> connection. Then I test another scenario. OvS1-------OvS2 without RYU
> controller. Iperf3 server at OvS1 and Iperf3 client and Ovs2.  In this
> case, OvS2 can send TCP packets to OvS1 for 24 hours during iperf3
> connection. The main reason for running iperf3 for 24 hours is testing for
> reliablity. In those first two scenarios, I really do not understand why
> the interface of OVS2 cannot transmit data packet to OvS1 when RYU
> controller is installed at OvS1. This is why I rasise this question whether
> RYU controller and OvS can use in the same physical machine. IP address of
> OvS1 is 10.0.0.8 and IP address of OVS2 is 10.0.0.1. 10.0.0.8 is used as
> both control IP and data IP which means I use in-band scenario in my
> testing case.

I think you need to debug on your own but some ideas:

Did you replace the possibly faulty WiFi hardware?
Do you have a problem in flow tables when traffic is down?
Is it caused by a failure in the controller connection?
Does changing set-fail-mode to standalone make any diffrence?

> Best regards,
> Soe Ye Htet
> Master Engineering student
> 
> On Tue, Oct 30, 2018 at 12:03 PM IWAMOTO Toshihiro <iwam...@valinux.co.jp>
> wrote:
> 
> > On Sat, 27 Oct 2018 20:01:43 +0900,
> > Soe Ye Htet wrote:
> > >
> > > [1  <multipart/alternative (7bit)>]
> > > [1.1  <text/plain; UTF-8 (7bit)>]
> > > Dear RYU Team,
> > >
> > > Can we use a RYU controller and OvS at the same machine. The
> > configuration
> > > of OvS are
> > > sudo ovs-vsctl --if-exist del-br br0
> > > sudo ovs-vsctl add-br br0
> > > sudo ovs-vsctl set bridge br0 other-config:datapath_id=1000000000000008
> > > sudo ovs-vsctl add-port br0 wlan0 -- set Interface wlan0 ofport_request=1
> > > sudo ifconfig wlan0 0
> > > sudo ifconfig br0 10.0.0.8 netmask 255.0.0.0 up
> > > sudo ovs-vsctl set-controller br0 tcp:127.0.0.1
> > > sudo ovs-vsctl set controller br0 connection-mode=out-of-band
> > > sudo ovs-vsctl set-fail-mode br0 secure
> > > sudo ovs-vsctl set bridge br0 stp_enable=true
> > > . That configuration is installed at OvS and that OvS is at the same
> > > machine at RYU controller. Another simple question is that can we use
> >
> > Of course you can. Have you tried?
> >
> > > iperf3 server port and openflow port at the same machine. For example
> > > iperf3 server port is 5201 and RYU controller port is 6633. Iperf3 server
> > > IP address and IP address of RYU controller is also the same.
> >
> > I cannot think of a problem if the port numbers are different.
> > What is your concern?
> >
> > --
> > IWAMOTO Toshihiro
> >
> [2  <text/html; UTF-8 (quoted-printable)>]


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