Open Stack

Sorry about the confusion!

I have two nodes, with two network interfaces each. One configured with 192.* IP and one with 133.*
I can access them with SSH directly at 133.*

Both nodes can ping one another and both nodes can ping Internet addresses e.g.  google. com 

No other router available for configuration. 
No openstack yet.

So, my question is the following :

If I want to install openstack should I modify the external network interface so that it doesn't have an IP address?  If I do that how can I access the server then?

I was under the impression that the document was talking about a situation like the above when it clearly doesn't. That's why I am looking for new guidelines. 

All the best,

George

---- Ο χρήστης Aaron Segura έγραψε ----

>I'm not sure I understand.  Are you able to ping from your nodes out to the internet at all?
>
>
>On Wed Nov 19 2014 at 3:29:54 PM Georgios Dimitrakakis <giorgis at acmac.uoc.gr> wrote:
>
> Aaron it helps a lot and thank you for that.
>
> Unfortunately in my setup there is no router for the management
> interface since it is much simpler and has two interfaces: one that has
> an external IP and connects directly to the internet and a second one
> with internal (management) network that cannot be reached from the
> outside. In such a case can you recommend a setup or point me at a
> documentation?
>
> Thanks a lot again,
>
>
> George
>
>
>
> On Wed, 19 Nov 2014 20:39:10 +0000, Aaron Segura wrote:
>> When the documentation refers to testing external connectivity from
>> the nodes, it does not mean to test connectivity via the External
>> Interface, irself.  It means that you should be able to reach the
>> external network (Internet) and the other nodes, from each node, via
>> the Management Interface.  The Management Interface is how you will
>> log in to the nodes via SSH, as well.  The network attached to your
>> Management Interface should have a route out to the Internet and
>> provide all the connectivity you need to manage the node, install
>> software, etc...
>>
>> Hope that helps!
>>
>> On Wed Nov 19 2014 at 2:19:07 PM Georgios Dimitrakakis  wrote:
>>
>>>  First of all let me thank you very much for your clear replies!
>>>
>>>  Yes! That makes sense indeed for the Virtual Machines!
>>>
>>>  What about the compute node itself? If I am not wrong at that
>>> point of
>>>  documentation nova-network hasnt been installed or configured. So
>>> how
>>>  is it possible the connectivity tests with the external network
>>> to be
>>>  successful as shown at that point?
>>>
>>>  Furthermore if someone wants to have direct SSH access to the
>>> node from
>>>  the external network how is that achieved? In general how does
>>> the
>>>  physical node itself access the external network?
>>>
>>>  All the best,
>>>
>>>  George
>>>
>>>  On Wed, 19 Nov 2014 14:25:29 +0000, Aaron Segura wrote:
>>> > Think of your external interface as if it were a switch. The
>>> guests
>>> > are plugged in to the switch. They will have IP addresses that
>>> allow
>>> > them to communicate on the network. The physical interface just
>>> ships
>>> > packets back and forth between physical and virtual networks, and
>>> > doesnt need its own address. Make more sense?
>>> >
>>> > On Wed, Nov 19, 2014, 07:53 Georgios Dimitrakakis  wrote:
>>> >
>>> >>  Hello stackers!
>>> >>
>>> >>  In OpenStack documentation and specifically on Legacy
>>> Networking
>>> >>
>>> >>
>>> >
>>> >
>>>
>>
>>  http://docs.openstack.org/juno/install-guide/install/yum/content/ch_basic_environment.html#basics-networking-nova
>>> [1]
>>> >> [1]
>>> >>
>>> >>  says clearly that for a two node installation the interface
>>> >> dedicated
>>> >>  to the external network should not be configured with an IP
>>> >> address.
>>> >>
>>> >>  Is this correct??
>>> >>
>>> >>  Furthermore at the "Verify Connectivity" part is pinging
>>> >> successfully
>>> >>  on the external network and my question is how is this
>>> happening?
>>> >> Does
>>> >>  it assume that there is a third interface already connected on
>>> >> the
>>> >>  external network??
>>> >>
>>> >>  How is accessing the external network without even configuring
>>> >> the
>>> >>  interface dedicated at it?? Does it assume that the internal
>>> >> network
>>> >>  somehow performs a routing??
>>> >>
>>> >>  Best regards,
>>> >>
>>> >>  G.
>>> >>
>>> >> _______________________________________________
>>> >> Mailing list:
>>> >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> [2] [2]
>>> >> Post to     : openstack at lists.openstack.org [3] [3]
>>> >> Unsubscribe :
>>> >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> [4] [4]
>>> >
>>> >
>>> > Links:
>>> > ------
>>> > [1]
>>> >
>>> >
>>>
>>
>> http://docs.openstack.org/juno/install-guide/install/yum/content/ch_basic_environment.html#basics-networking-nova
>>> [5]
>>> > [2] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> [6]
>>> > [3] mailto:openstack at lists.openstack.org [7]
>>> > [4] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> [8]
>>> > [5] mailto:giorgis at acmac.uoc.gr [9]
>>
>>
>> Links:
>> ------
>> [1]
>>
>> http://docs.openstack.org/juno/install-guide/install/yum/content/ch_basic_environment.html#basics-networking-nova
>> [2] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> [3] mailto:openstack at lists.openstack.org
>> [4] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> [5]
>>
>> http://docs.openstack.org/juno/install-guide/install/yum/content/ch_basic_environment.html#basics-networking-nova
>> [6] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> [7] mailto:openstack at lists.openstack.org
>> [8] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> [9] mailto:giorgis at acmac.uoc.gr
>> [10] mailto:giorgis at acmac.uoc.gr
>
>--
>
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