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Re: [Xen-users] PAT NAT for my VM's?
- To: xen-users@xxxxxxxxxxxxx
- From: Jan Hejl <jh@xxxxxxxxxx>
- Date: Mon, 03 Dec 2012 14:32:17 +0100
- Delivery-date: Mon, 03 Dec 2012 13:33:42 +0000
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- List-id: Xen user discussion <xen-users.lists.xen.org>
For me it sounds like that you overthought your idea with network
scenario. Your setup should be "Xen Case 2: NAT'd networking". But
these tutorials are someway outdated. What version of Xen do you
plan to use? And what toolstack (xl, xend, ...)?
Dne 30.11.2012 21:36, dan geci
napsal(a):
I saw this info http://wiki.kartbuilding.net/index.php/Xen_Networking
but it doesn't cover my issue I don't think. I want several of
the same Linux OS running on xen from one server(dom0) where
dom0 has the one public IP I have available to me. From there I
want to access these VM's from any where over internet with ssh
and once logged in reach the internet via these same machines
for tasks like apt-get. The issue is I can't configure the
default gateway to do the routing because someone else owns the
network. I just have permission to put this server in the DMZ
and use a pubic IP for it and give it internet access. Basically
xen needs to do routing for the vm's. It's for a school work
study. I am tasked with giving each student in Unix class their
own VM with root permissions that they can log into from
anywhere. And I need apt-get to work on said VM's for when they
learn package installation etc... I've never used xen so please
be detailed if possible. Basically I thought xen uses port
address translation not just NAT. In other words if my public
IP is 1.1.1.1 then I could map port say 4601 to mean my first VM
and 4602 for the second ect... that way I could ssh into them
from home with ssh user@xxxxxxx:4601 for the
first VM and so on and and NAT would use the PAT mappings to
send traffic out for tasks like apt-get (the 4601 would point to
that particular VM and the xen hyper visor would send the ssh
request to that machine via ssh's normal port on said machine
which is 22). Am I wrong about how this works? If so what is my
solution or how do I set up xen to do this? Or point me to a
tutorial on this scenario.
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