[Openstack] Documentation for Neutron L3 / VXLAN with LinuxBridge...

Martinx - ジェームズ thiagocmartinsc at gmail.com
Mon Apr 20 22:19:08 UTC 2015


Hi James!

On 20 April 2015 at 18:16, James Denton <james.denton at rackspace.com> wrote:

> Hi Thiago,
>
> VXLAN requires an IP address on each host from which to build the overlay
> mesh between hosts. Some choose to use a dedicated interface/IP/VLAN for
> this, but its not required.
>

Sure, I'm aware of that.

What is new for me, is that when using "VXLAN + OpenvSwitch", plains VLANs
are not required but, when using "VXLAN + LinuxBridges", then, you'll need
plain VLANs as well (and this is new for me).


>
> As for ‘vconfig’ missing - It appears that the 'ip link’ command
> (iproute2) is being used instead to create vlan interfaces.
>

Okay, cool! I'll take a look on that.

Thank you!


>
> James
>

Thiago


>
> On Apr 17, 2015, at 10:26 PM, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
> wrote:
>
> Perfect! I followed the Juno documentation here:
>
>
> http://docs.openstack.org/juno/install-guide/install/apt/content/ch_preface.html
>
> But I have "VXLAN + LinuxBridges", instead of "GRE + OVS", pretty cool!
>
> I was doing it wrong (of course), I did not realized that VXLAN with
> LinuxBridges, required plain VLANs to work (Is that right?)...
>
> Nevertheless, I still do not fully understand this setup, since the "vlan"
> package and its "vconfig" binary, is not even installed at my Network Node,
> also, there is nothing at my "/proc/net/vlan...".
>
> So, how it is working?  lol
>
> Good challenge for the weekend to figure this out!   ^_^
>
> Cheers!
> Thiago
>
> On 17 April 2015 at 23:30, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
> wrote:
>
>> BTW, I just found this:
>>
>> https://github.com/madorn/vagrant-juno-linuxbridge-vxlan-vlan
>>
>> The problem is that it is for VirtualBox or VMWare, and I'm using
>> exclusively KVM these days...   :-/
>>
>> But, I believe it will help me anyway...   =P
>>
>> On 17 April 2015 at 22:01, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
>> wrote:
>>
>>> Hey guys,
>>>
>>>  Where can I find a complete documentation to make use of LinuxBridges,
>>> instead of OpenvSwitch, when using it with VXLAN?
>>>
>>>  I faced too many problems with OVS in the past (also these days) and
>>> now, even Rackspace deploys their RPC v9 and v10 with LinuxBridges but,
>>> where are the documents?
>>>
>>>  I'm reading now, the following  Ansible files, to try to figure this
>>> out:
>>>
>>>  https://github.com/stackforge/os-ansible-deployment
>>>
>>>  But, this isn't a documentation...   :-P
>>>
>>>  The current Juno documents only explain GRE + OVS but, this setup is
>>> unstable and slow.
>>>
>>> Cheers!
>>> Thiago
>>>
>>
>>
> _______________________________________________
> Mailing list:
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to     : openstack at lists.openstack.org
> Unsubscribe :
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150420/9244b0fc/attachment.html>


More information about the Openstack mailing list