[PVE-User] Get ip address from KVM/Qemu machine?

Tony Zakula tony at zakula.com
Mon Jul 26 17:28:54 CEST 2010


On Mon, Jul 26, 2010 at 9:21 AM, Myke G <mykel at mware.ca> wrote:

>  On 2010-07-26 09:55, Tony Zakula wrote:
>
> On Sun, Jul 25, 2010 at 2:47 AM, Dietmar Maurer <dietmar at proxmox.com>wrote:
>
>> > I know you can get the ip address of a container from the host machine.
>>
>>  I am not aware of that feature?
>>
>> >  I am aware of the /etc/qemu-server/100.conf file for the qemu
>> > machines, but that does not contain the ip address.  I am using an
>> > Ubuntu Server in the KVM.  Is there any way to get the ip address being
>> > used from the Proxmox host?  Or on the host bridge using ip tables?
>> >  Does anyone have an idea?  My last piece to my puzzle.
>>
>>  Most users have a DHCP servers somewhere. So the VMs directly get there
>> IPs from that DHCP server.
>>
>> - Dietmar
>>
>
>  Thank you.  However, I am trying to engineer a hosting environment where
> each ip address would be a dedicated NAT.  I would like to use the Proxmox
> hardware node to do all the accounting of ip traffic of each VM guest which
> will then feed to a centralized server.  My theory is that this eliminates
> performance issues upstream of taking care of this.  I have most of this
> working.  Since you cannot reach inside of a guest KVM, I need to find
> another way using the hardware node bridge which is using iptables if
> possible.  I am sure it can be done.  I just haven't figured it out yet.
>
>
>  Look at the arp cache? 'arp -an' ?
>
> It's the only way I can think of...
>
>
Thanks!  I will investigate that avenue.
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