On Wed, May 23, 2012 at 7:49 AM, Daniele Milani <dano1...@hotmail.it> wrote:
> Hi,
> I have the following situation:
> -two different physical hosts (H1 and H2);
> -in H1 I created a bridge (br1) and I started a dnsmasq daemon listening on
> it (DHCPDAEMON1);
> -in H2 I created another bridge (br2) and I started a dnsmasq daemon
> listening on it (DHCPDAEMON2);
> -I created a gre tunnel between H1 and H2.
>
> The problem is that, if I start a Virtual Machine on H1 I receive DHCP offer
> both from DHCPDAEMON1 and DHCPDAEMON2, and if I start a VM on H2 I obtain
> the same behaviour.
>
> My question is: is it possible to prevent DHCP traffic from passing into the
> tunnel?

You can write a flow using ovs-ofctl to drop DHCP traffic.
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