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Re: [libvirt] [PATCH 9/9] add DHCP snooping support to nwfilter



On Mon, May 09, 2011 at 01:12:10PM -0700, David L Stevens wrote:
> This patch removes remaining pieces of IP address learning.

Do we actually want todo this ?  This is effectively causing a
regression in functionality for anyone who's relying on the
current IP learning support, but who does not use DHCP.

I'm inclined to say that we should have a configuration
parameter in /etc/libvirt/qemu.conf  (or /etc/libvirt/nwfilter.conf)
to specify the learning method, and perhaps to also specify
a particular DHCP server address (otherwise one guest could
run a malicious DHCP server and hand out addrs to other
guests). so perhaps:

   ip_learning="none|arp|dhcp"
   dhcp_server="192.2.2.43"

Daniel
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