Re: [Xen-users] IP of a running VM in XEN

[Bhasker C V <bcv@xxxxxxxxx>]

Classic question.

The DomUs are like machines in the network and it is not
easy to find the IP of the domU machines.

Most of the times, the DomUs are connected to physical ethernet
of Dom0 via bridge. So arp on the bridge must show the ip
addresses in that machine.

I usually do a

ping -b 255.255.255.255
which will make all the machines to reply. Once this is done, within a 
short period if we try to do a arp information
arp -n

you will get a list of ip addresses. The only problem is to sort out
which IPs belong to the DomUs and which are from the other machines
in the network. This is easily done by doing a grep for
the MAC prefix of the xen MAC addresses (if you have used automatic
allocation of MAC addresses to the network cards of domUs )


On Thu, 30 Apr 2009, Pallab Chakrabarty wrote:

>  
>
> Hi,
>
>  
>
> I want to know the IP of a running VM in XEN.. Is there any way to have
> this without login to that VM..
>
> Any XEN tools ?
>
> - regards
>    Pallab
>
>  
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