[ovs-discuss] SVLAN setup between two VMS

[Jesse Gross]

On Sun, Jan 30, 2011 at 3:26 PM, Jesse Gross <jesse at nicira.com> wrote:
> On Thu, Jan 27, 2011 at 11:43 AM, Ramana Reddy <gtvrreddy at gmail.com> wrote:
>> Hello Everyone,
>>
>> I want to send the vlan traffic between VMs located on two host machines(
>> the diagram has been attached
>> with the mail) . Both Host machines are XenServers (5.6)  with Debian as
>> DomUs.
>>
>> VM1 and br0 setup on host1:
>>
>> The VM1 setup:
>>
>> #vconfig add eth0 10
>> #ifconfig eth0.10 10.0.0.1 netmask 255.255.255.0
>>
>> eth0 is having IP address 192.168.0.x.
>>
>> The br0 setup on host1:
>> #ovs-vsctl add-br br0
>> #ovs-vsctl add-port br0 eth0
>> #ovs-vsctl add-port br0 vif1.0 tag=10
>
> You shouldn't configure the interface as an access port and generate
> tagged packets in the VM.  It's one or the other but not both.  This
> is the same problem as you were having in the other thread.

I just noticed in the title that you are trying to create a service
vlan.  Open vSwitch does not support double tagging, which is the
reason for the restrictions that I mentioned.