[ovs-discuss] communication between two ovs bridges

[David Gabriel]

I used this command (tcpdump -i eth1 icmp and icmp[icmptype]=icmp-echo) in
one VM to check the arrival of the ICMP while making a ping from the other
VM.
However, I didn't receive any ICMP packet.
Any aidea to fix this problem ?

Kind regards

2017-03-09 11:12 GMT+01:00 David Gabriel <davidgab283 at gmail.com>:

> Thanks for your reply.
> What do you suggest to ensure the communication between the VMs using my
> topology.
> It is possible to create it based on openstack.
> Any help is welcome.
>
> Thanks in advance.
> Best regards
>
> 2017-03-08 20:54 GMT+01:00 Scott Lowe <scott.lowe at scottlowe.org>:
>
>> On 03/08/2017 10:12 AM, David Gabriel wrote:
>> > Dears,
>> >
>> > I have defined two ovs bridges, each one of them is deployed in one
>> > Virtual Machine (VM) based on this simple topology:
>> >                     Internet ----- OVS1 ----LAN---- OVS2 -----Internet
>> > I used the following commands for OVS1:
>> > ovs-vsctl add-br mybridge1
>> > ifconfig mybridge1 up
>> > ovs-vsctl add-port eth1 mybridge1 //eth0 is dedicated for Internet
>> > ifconfig eth1 0
>> > ovs-vsctl add-port eth1 mybridge1
>> > ovs-vsctl set-controller mybridge tcp:AddressOfController:6633
>> >
>> > Then I added a patch port for each bridge based on this tutorial
>> > <http://blog.scottlowe.org/2012/11/27/connecting-ovs-bridges
>> -with-patch-ports/>
>> > ovs-vsctl add-port mybridge1 patch2-1
>> > ovs-vsctl set interface patch2-1 type=patch
>> > ovs-vsctl set interface patch2-1 options:peer=patch2-1
>> >
>> > Then I tried to make the ping between the two VMs but it fails !
>> > Could you please tell me how to fix this problem.
>>
>>
>> It's my understanding that patch ports should only be used to connect
>> OVS bridges running on the same system. Since your bridges are across
>> two different VMs, using a patch port here won't work.
>>
>> --
>> Scott
>>
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>
>
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