[ovs-discuss] SDN topology.

Sat Apr 11 10:17:15 UTC 2015

Dear Amal

I apologize, I was in vacation, may you please tell me what was your problem to have a good documented record and how you fixed it.

Best regards,
Amer

> On Apr 9, 2015, at 2:25 PM, Amal KAMMOUN <amal.kammoun at supcom.tn> wrote:
> 
> So my configuration was right but the problem was that my OVS-VMs had the same @MAC!!
> 
> Now it is solved.
> 
> 
> Thank you so much for your time.
> 
> 
> Best regards,
> 
> 
> Amal.
>  
> From: Amal KAMMOUN
> Sent: Thursday, April 2, 2015 11:10 AM
> To: Amer
> Cc: discuss at openvswitch.org
> Subject: Re: [ovs-discuss] SDN topology.
>  
> Dear Amer,
> 
> 
> I appreciate your note about writing br0 IP in the interfaces configuration file. Thanks.
> 
> 
> But I want to get the interconnection between the 2 OVS before doing that.
> 
> 
> I read all your posts in March, I find that I have same problems as you.
> 
> Would you please tell me how did you fix your issues?
> 
> 
> For example in these posts:
> 
> http://openvswitch.org/pipermail/discuss/2015-March/016901.html 
> http://openvswitch.org/pipermail/discuss/2015-March/016943.html 
> 
> 
> Best regards!
> 
> 
> Amal. 
> 
>  
> From: Amer <amer7777 at hotmail.com>
> Sent: Wednesday, April 1, 2015 3:49 PM
> To: Amal KAMMOUN
> Cc: discuss at openvswitch.org
> Subject: Re: [ovs-discuss] SDN topology.
>  
> Hello,
> 
> I did it and was working fine. Note:
> The br0 IP is temporary and will be deleted when you reboot. Also, the IP will return back to the eth0. I recommend write it in the interfaces configuration file.
> 
> Best regards,
> Amer
> 
> On Apr 1, 2015, at 1:52 PM, Amal KAMMOUN <amal.kammoun at supcom.tn> wrote:
> 
>> Hello Amer,
>> 
>> 
>> So, as you said I will try with a simple scenario like this:
>> 
>> 
>> VM1: Host1-------------VM2: OVS1-----------------VM3: OVS2---------VM4: Host2
>> 
>> 
>> I want to do the interconnection between the 2 OVSs :  
>> 
>> 
>>             VM2: OVS1-----------------VM3: OVS2
>> 
>> 
>> I connected between VMs using internal-network. For each VM I configured @IP and the netmask (no gateway no dns).
>> 
>> 
>> I could have the ping between each other.
>> 
>>  
>> I made this configuration:
>> 
>> 
>> 1) in VM2: @IP 192.168.46.220
>> 
>> 
>> ovs-vsctl add-br br0
>> ovs-vsctl add-port br0 eth0
>> ifconfig eth0 0
>> 
>> ifconfig br0 up
>> 
>> ifconfig br0 192.168.46.220 netmask 255.255.255.0
>> 
>> 
>> 2) in VM3: @IP 192.168.46.181
>> 
>> ovs-vsctl add-br br0
>> ovs-vsctl add-port br0 eth0
>> ifconfig eth0 0
>> 
>> ifconfig br0 up
>> 
>> ifconfig br0 192.168.46.181 netmask 255.255.255.0
>> 
>> The ping now fails! What I have to do to get the 2 OVS connected?
>> 
>> 
>> Thank you so much. 
>>  
>> 
>>  
>> From: Amer <amer7777 at hotmail.com>
>> Sent: Wednesday, April 1, 2015 5:17 AM
>> To: Amal KAMMOUN
>> Cc: discuss at openvswitch.org
>> Subject: Re: [ovs-discuss] SDN topology.
>>  
>> Dear Amal
>> 
>> First, try with simple scenario
>> 
>> To connect between VMs you need to use internal-network and assign each VM to the same internal-network, then you need the IPs are in the same subnet for each two VMs.
>> Also, you need to crest a bridge in each OVS, like br0, then assign some interfaces to the bridge, like add-port br0 eth0, after that, give zero IP address to these interfaces, like ifconfig eth0 0, thereafter, give the bridge an IP address, like ifconfig eth0 192xxxxxxxxx netmask xxxxx.
>> The bridge IP needs to be written in the main interface configuration file.
>> To do this you need to search in this archive, I remember someone before few weeks discussed this issue and you will find my name there.
>> After this setup connecting each OVS to different controller will be easier.
>> 
>> Best regards,
>> Amer
>> 
>> On Mar 31, 2015, at 5:05 PM, Amal KAMMOUN <amal.kammoun at supcom.tn> wrote:
>> 
>>> Hello all!
>>> 
>>> 
>>> I'm trying to construct the following topology:
>>> 
>>> 
>>> 
>>>        VM1-  OpenFlowController1                            VM2- OpenflowController2
>>> 
>>>                             |                                                                     |
>>>                             |                                                                     |
>>> 
>>>                             |                                                                     |
>>>                             |                                                                     |
>>> 
>>>               VM3 ----------                                                  VM4 ----------
>>>                       | OVS1|----------------------------------------------------------| OVS2|
>>> 
>>>                       -----------                                                           -----------  
>>>                             |                                                                     |
>>> 
>>>                             |                                                                     |
>>> 
>>>                             |                                                                     |
>>> 
>>>                        Host:VM-5                                                 Host:VM-6
>>> 
>>> 
>>> 
>>> All my virtual machines are made by VirtualBox.
>>> 
>>> 
>>> It is possible to build such topology?
>>> 
>>> 
>>> How can I connect 2 OVS running on 2 different VMs?
>>> 
>>> 
>>> Thank you!
>>> _______________________________________________
>>> discuss mailing list
>>> discuss at openvswitch.org
>>> http://openvswitch.org/mailman/listinfo/discuss
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