[ovs-discuss] [ovs-dev] Problem with DHCP and TUNNEL
dano1988 at hotmail.it
Wed May 23 08:59:06 PDT 2012
> From: jesse at nicira.com
> Date: Wed, 23 May 2012 08:27:35 -0700
> Subject: Re: [ovs-dev] Problem with DHCP and TUNNEL
> To: dano1988 at hotmail.it
> CC: discuss at openvswitch.org; dev at openvswitch.org; roberto.sassu at polito.it; paolo.smiraglia at polito.it
> On Wed, May 23, 2012 at 7:49 AM, Daniele Milani <dano1988 at 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.
Where can I find an example of how to write a flow?
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