Hi Toshihiro,
Thanks for your meaningful reply. Will try again.
Hope mean while more help/advice/pointers will come regarding this issue.
Thanks
Hadem
On Wed, Oct 24, 2018 at 2:30 PM IWAMOTO Toshihiro <iwam...@valinux.co.jp>
wrote:
> On Fri, 19 Oct 2018 23:56:38 +0900,
> Pynbiang Hadem wrote:
> >
> > [1 <multipart/alternative (7bit)>]
> > [1.1 <text/plain; UTF-8 (7bit)>]
> > Hi,
> >
> > I am running two VMs; *VM1* and *VM2*. Each VM has a simple topology as
> > follows.
> >
> > *VM1:* * VM2:*
> > ==== ====
> > h1------s1--------s2 <--------> s4--------s3---------h3
> > | |
> > h2 h4
> >
> > I am using *internal network* to connect the two VMs.
> > VM1 has an internal adapter with IP: 192.168.1.1
> > VM1 has an internal adapter with IP: 192.168.1.254
> >
> > I'm using a GRE tunnel in the mininet python script as below:
> > # Configure the GRE tunnel On VM1:
> > s2.cmd('ovs-vsctl add-port s2 s2-gre1 -- set interface s2-gre1 type=gre
> > options:remote_ip=192.168.1.1')
> >
> > # Configure the GRE tunnel On VM2:
> > s4.cmd('ovs-vsctl add-port s4 s4-gre1 -- set interface s4-gre1 type=gre
> > options:remote_ip=192.168.1.254')
> >
> > If i run (controller -v ptcp:6633) or (sudo ryu-manager --verbose
> > ryu/app/simple_switch_13.py) as controller in VM1 and VM2, i am able to
> > ping from h1 to 10.0.3.3(h3 on VM2).
> >
> > However, when i run (sudo ryu-manager --verbose ryu/app/rest_router.py) i
> > am not able to ping from h1 to to 10.0.3.3(h3 on VM2).
>
> They differ how L2 switching is performed.
> AFAIK rest_router does L2 switching using OFPP_NORMAL, while
> simple_switch_13 implements the switching logic.
>
> I have no idea why OFPP_NORMAL doesn't work in your setup.
> Please use tcpdump, ovs-ofctl dump-flows, etc. to find where your
> packets are dropped to debug the problem.
>
> --
> IWAMOTO Toshihiro
>
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