Fixed IP assignment in presence of colliding MAC addresses.
iganichev at gmail.com
Wed Jun 5 18:30:25 UTC 2013
Thanks for your replies!
Simon, the "virtual environment" is somewhat complex to describe. We would
like to have one dhcp server serve multiple logical L2 networks that can
have hosts with equal mac addresses.
Alex, thanks for a short concrete answer. We will probably either modify
dhcpd or write a simple server ourselves.
John, duplicate addresses are on separate subnets, but we wanted to run a
single dhcpd for all of them.
On Tue, Jun 4, 2013 at 12:10 AM, Simon Hobson <dhcp1 at thehobsons.co.uk>wrote:
> Igor Ganichev wrote:
> >We are thinking of using dhcpd in a virtualized environment where
> multiple hosts behind different interfaces can have the same mac address.
> It's most common for the hosting to look like a bridge/network switch as
> far as the networking goes. Thus each guest has it's own virtual NICs, each
> with it's own (hopefully) unique MAC address, and DHCP should "just work"
> to the guests.
> You can run with NAT on the host - but then you need to make DHCP work
> through the NAT. Or you can use a routed setup where the guests are in a
> different subnet - in which case you'd need a relay agent as you would in
> any other routed network.
> I'd suggest you take a look at the networking side of you proposed setup
> and see what you will actually be using - I'd expect it top be one of the
> above. If not, then come back with more details.
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> dhcp-users at lists.isc.org
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