Jesse Gross <[email protected]> writes:

[...]

> It's difficult to read your diagram but isn't vnet16 (where DHCP
> responses are still seen) after OVS?

Sorry, I'm not sure to understand your question:

- vnet16 is the interface of the DHCP server

- isw is the name of the Open vSwitch

- vnet18 is the interface of the DHCP client

So, my packets are blocked between vnet16 and isw.

I made another test:

- assign to LXC eth1 the same MAC address than vnet16 one

- assign random MAC addresses to eth1 and breth1 of the KVM hosting the
  LXC

In that situation, everything works fine between the client and the LXC
guest, but then packets from the KVM hosting the LXC[1] never reach isw.

It looks like Open vSwitch only forward packets with MAC addresses listed
in "ovs-ofctl show isw".

Is there a way to make it "learn" MAC addresses as they show up on
ports, like any physical switch without MAC filtering.

Regards.

Footnotes: 
[1]  with the random MAC address of breth1 since the IP is here

-- 
Daniel Dehennin
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