Open Stack

The connection should be like normal Ethernet wire connection, just like we
plug an Ethernet wire between two hosts
(Host1)nic---etherrnetwire---nic(Host2).


On 16-Mar-2017 4:40 PM, "Kevin Benton" <kevin at benton.pub> wrote:

> What kind of cable? What protocol will be carried over it?
>
> Traffic between VMs on different hosts needs to be encapsulated by a
> protocol like GRE or VXLAN to carry it over the real network so that
> imposes some limitations on emulating a 'direct wire'.
>
> If you need to carry some other l2 protocol between two VMs, I suggest
> that you just establish and L2TP connection between the hypervisors.
>
> On Mar 16, 2017 03:56, "Vivek Nirala" <nirala.vivek at gmail.com> wrote:
>
>> ​I want the connection between the two VMs through nics or anyother way,
>> such that the connection is like direct cable connection.​
>>
>> On Wed, Mar 15, 2017 at 11:06 AM, Kevin Benton <kevin at benton.pub> wrote:
>>
>>> What type of L2 communication do they need to do? If it's ethernet, then
>>> just attaching two ports to a network using one of the reference ML2
>>> drivers (i.e. OVS or LinuxBridge) will give you L2 ethernet connectivity
>>> via virtual switches.
>>>
>>> If you want two VMs connected via a direct connect that passes arbitrary
>>> frames directly without switching so you can use non-ethernet protocols,
>>> then I don't believe any of the plugins support a model like that.
>>>
>>> On Tue, Mar 14, 2017 at 9:46 PM, Vivek Nirala <nirala.vivek at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I have installed openstack using ansible on Ubuntu 16.04 Server.
>>>> I am able to successfully create VMs and launch instances however the
>>>> requirement is to add one extra nic on both VMs(default is only once nic)
>>>> so as the extra nics are connected as if they are physically connected via
>>>> a wire i.e. L2 connectivity.
>>>>
>>>> Please let me know your suggestions.
>>>>
>>>>
>>>> Thanks
>>>> ​,
>>>> Vivek​
>>>>
>>>>
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>>>>
>>>
>>
>>
>> --
>> Thanks,
>> *Vivek Nirala*
>> Mobile:+91-9278676843 <+91%2092786%2076843>
>>
>
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