[pve-devel] qemu nat mode and rate limiting ?

[Dietmar Maurer]

> >>Sure, we just need to add a correct route.
> Ok, it's clear.
> 
> So, we need to known the guest ip.
> 
> We should add a ip address option in guest vm config file.

Address with  optional netmask  specified  in  the  CIDR   notation   (e.g. 10.3.4.5/24).

> If user don't use dhcp in his guest, he must set the same ip in the guest
> 
> If user use dhcp in guest,
>  we can add an option to activate an dhcp server on proxmox host,
>  re-use vm config file to assign ip address
>  This dhcp server should works only inside host.
>  It could be great to have dhcp leases across the cluster.
> 
> I don't known if it's possible to write a small dhcp server in perl ?

I guess it is easier to use 'dnsmasq':

http://www.thekelleys.org.uk/dnsmasq/doc.html

or something similar.
 
> >>Not sure how to handle that when we migrate a VM.
> 
> Simply add/remove route at in qemu-migrate ?

You need to notify other hosts that the IP has moved.