Open Stack

Okay, I believe I see what you're going for now.  Are you planning on
assigning 133.* addresses directly to your guest instances?

On Wed Nov 19 2014 at 5:53:36 PM Dimitrakakis Georgios <giorgis at acmac.uoc.gr>
wrote:

> 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/co
>> ntent/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/con
>> tent/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/con
>> tent/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/con
>> tent/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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