Open Stack

Hello Remo, Erik,

 Thanks for this fast reply!   :-)

 Remo, I want to seg the communication between my Instances (i.e., intra-vm
communication), for example, I want to "scp from-instance-a to-instance-b"
through "net-a" and simultaneously, "scp from instance-b to-instance-a"
through "net-b", so, there will be no bottleneck. On this example, both
Instances have two subnets attached but, I would like to use two VXLAN
tunnels, one for "net-a" and another for "net-b"... And I'm not sure if
this is even possible to achieve... Is it?

 Evolving this scenario, I'll build something like this:

 * Instance-A -> net-a -> "Instance-Bridge" -> net-b -> "Instance-Gateway"
-> Internet

 Here, the "Instance-bridge" will be connected at both "net-a" and "net-b",
and will act as bridge. The gateway IP of "Instance-a" is allocated at
"Instance-Gateway".

 So, I'll need to, somehow, attach "net-a", to a VXLAN tunnel associated
with "segment 1", and "net-b", to a VXLAN tunnel associated with "segment
2".

 Erik, in fact, no, I don't need more bandwidth, I just need to make sure
that the network traffic going in and out from "Instance-bridge /
Instance-Gateway" will face no bottleneck. I'm thinking about the
possibility to build a LACP BOND channel, using 4 ethernets, for just one
VXLAN subnet. This way, I believe it will more dynamic and easy to
build/manage... What do you think? Ah, and yes, I'm intending to segment
the traffic in a specific way, as my above example.

 Thanks again!

Best,
Thiago

On 9 April 2015 at 23:32, Erik McCormick <emccormick at cirrusseven.com> wrote:

> If your goal is to simply have more available bandwidth, I would think you
> could bond the 4 interfaces into one and enable jumbo frames. Are you
> intending to segment the traffic for some other purpose?
> On Apr 9, 2015 7:20 PM, "Martinx - ジェームズ" <thiagocmartinsc at gmail.com>
> wrote:
>
>> Hey guys!
>>
>>  I'm looking to build an OpenStack environment, where I have 4 physical
>> interfaces that will be dedicated to the VXLAN tunnels but, how can I do
>> that?
>>
>>  For example, I planning to create 4 "net / subnets" and each one of it
>> will be associated with 1 VXLAN tunnel (of 4?)...
>>
>>  My need is that some traffic will come from one segment, pass through a
>> Instance and goes out through another segment. So, in fact, I need to
>> balance the network traffic, throughout more than one segment, to avoid
>> bottlenecks.
>>
>>
>>  Which approach better fits into my needs?
>>
>>  A- 1 VXLAN tunnel for each ethernet segment (4 tunnels) (is this even
>> possible?)? or
>>
>>  B- 1 VXLAN on top of a BOND channel (here, the BOND channel will be
>> built using 4 ethernet segments)?
>>
>>
>>  I appreciate any tip!   :-)
>>
>>  Thanks in advance!
>>
>> Cheers!
>> Thiago
>>
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