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xen-devel
RE: [Xen-devel] How to get VM IP address through XenStore
> Hi all:
> I am wondering how to get current VM IP address in XenStore, does it
> contains such information??
No, it does not. xenstore keeps layer 2 (eg MAC address) information,
but has no visibility to layer 3 (IP) and above.
What you need to do is:
1. get the mac address from xenstore
2. watch IP traffic on your network with that src or dst mac address
3. extract the IP address from that packet
4. repeat 2-3 if you suspect that there is more than one IP address
attached to that mac address.
If the mac address belongs to a router then you'll see heaps of IP
addresses attached to it, so the exercise may be futile... you should
only see one on the 'local' subnet though.
You could also try a scan of the network subnet to figure it out.
I just did a google search for "ip address from mac address" and there
are lots of people asking much the same question but I didn't come
across any useful answers.
James
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