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 hasn't 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]
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.
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