Re: [Ryu-devel] Overlay network based on grep tunnel

[Luis Zárate]

Hello everybody,

2016-08-02 1:58 GMT-06:00 Iwase Yusuke :

> Your scenario seems to show that the GRE overlay network is implemented
> between Host1 and Host2, right?


No, I don't want a host to host tunnel,  I want to create a NVGRE so the
tunnels are between host an ovs port.

If so, the network of OVS + External switch need to perform the underlay
> network, I think.
> In this situation, OVS + External switch are required just L2/L3 routing
> and
> Ryu does not need to handle GRE.


No, my problem is I can't modify external switch so I try to create a new
network based on tunnels (NVGRE) that are connected with  OVS port and
handle packages to ryu controller.

You are right, Ryu does not need to handle GRE, Ryu see them as simple
packages because OVS transform GRE bridge packages to simple packages that
are sent to ryu.

I partially solve my problem, that was a wrong configuration in the host.
I created a IP Gre tunnel in host but OVS create a Ethernet Bridge Gre
Tunnel for port, so when I flood package with Ryu host doesn't know how to
deal with this data package.   So my solution was set Ethernet Bridge Gre
Tunnel in host and now packages are send with a correct format but I am
loosing ARP response so I will check my host configuration.

Thanks.

-- 
"La utopía sirve para caminar" Fernando Birri
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Re: [Ryu-devel] Overlay network based on grep tunnel

[Iwase Yusuke]

Hi,

Your scenario seems to show that the GRE overlay network is implemented between 
Host1 and Host2, right?
If so, the network of OVS + External switch need to perform the underlay 
network, I think.
In this situation, OVS + External switch are required just L2/L3 routing and
Ryu does not need to handle GRE.

If you want to implement the GRE overlay network between OVS and another OVS,
how about the following page?
   http://openvswitch.org/support/config-cookbooks/port-tunneling/

Thanks,
Iwase


On 2016年07月30日 03:41, Luis Zárate wrote:
> Hi,
>
> I am trying to implement a overlay network based on grep tunnel, but I am 
> having some problems, my scenario is like this
>
>
> Imágenes integradas 1
>
>
> My problem is that I receive the incoming package to  L2/L3 switch 
> implemented in Ryu controller with different MAC address every time. I 
> resolve using IP learning system but when I flood the package in port that 
> connect a host with a gre tunnel this package is not received by the host. So 
> I want to know if somebody have implement something like this and how to 
> implement this.
> And of course if the new grep functionality help me in may problem and how.
>
> --
> "La utopía sirve para caminar" Fernando Birri
>
>
>
>
> --
>
>
>
> ___
> Ryu-devel mailing list
> Ryu-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>

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[Ryu-devel] Overlay network based on grep tunnel

[Luis Zárate]

Hi,

I am trying to implement a overlay network based on grep tunnel, but I am
having some problems, my scenario is like this


[image: Imágenes integradas 1]


My problem is that I receive the incoming package to  L2/L3 switch
implemented in Ryu controller with different MAC address every time. I
resolve using IP learning system but when I flood the package in port that
connect a host with a gre tunnel this package is not received by the host.
So I want to know if somebody have implement something like this and how to
implement this.
And of course if the new grep functionality help me in may problem and how.

-- 
"La utopía sirve para caminar" Fernando Birri
--
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Ryu-devel mailing list
Ryu-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ryu-devel