Yes, I stopped network manager from running DHCP client on OVS interfaces. By total control, I meant no other local process can see/write to the OVS controlled interfaces. I was wrong in my understanding.
Thanks, Hardik Soni ----- Original Message ----- > From: "Ansis Atteka" <[email protected]> > To: "Hardik Soni" <[email protected]> > Cc: "Gurucharan Shetty" <[email protected]>, "[email protected] > discuss" <[email protected]> > Sent: Tuesday, 23 June, 2015 8:49:25 PM > Subject: Re: [ovs-discuss] dhcp request originating from interfaces attached > to OVS > > On Tue, Jun 23, 2015 at 2:40 AM, Hardik Soni <[email protected]> wrote: > > I thought OVS takes total control on the interfaces it handles. > > Could you define "total control"? > > > How to stop this "DHCP request" messages? > > It is not Open vSwitch that chooses whether DHCP client will be > running for particular network interface. For example on Ubuntu 15.04, > If I do > > ps -Af | grep dhclient > root 1011 773 0 Jun22 ? 00:00:00 /sbin/dhclient -d -q > -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf > /run/sendsigs.omit.d/network-manager.dhclient-wlan0.pid -lf > /var/lib/NetworkManager/dhclient-cfb34368-76b5-4d00-93e0-6499bd8cf2cc-wlan0.lease > -cf /var/lib/NetworkManager/dhclient-wlan0.conf wlan0 > root 12214 773 0 11:30 ? 00:00:00 /sbin/dhclient -d -q > -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf > /run/sendsigs.omit.d/network-manager.dhclient-eth0.pid -lf > /var/lib/NetworkManager/dhclient-0e5f5c89-6b38-4564-941f-f7aa54b4deae-eth0.lease > -cf /var/lib/NetworkManager/dhclient-eth0.conf eth0 > > And then search for parent process (773 in my case): > root 773 1 0 Jun22 ? 00:00:22 > /usr/sbin/NetworkManager --no-daemon > > It says that it is NetworkManager that started dhclient (and not any > of Open vSwitch processes). So, if you don't want to run DHCP client > on OVS interfaces, then make sure that you are using the right Network > Manager configuration - > http://support.qacafe.com/knowledge-base/how-do-i-prevent-network-manager-from-controlling-an-interface/ > > > > > Thanks, > > Hardik Soni > > > > ----- Original Message ----- > >> From: "Gurucharan Shetty" <[email protected]> > >> To: "Hardik Soni" <[email protected]> > >> Cc: "[email protected] discuss" <[email protected]> > >> Sent: Monday, 22 June, 2015 7:56:44 PM > >> Subject: Re: [ovs-discuss] dhcp request originating from interfaces > >> attached to OVS > >> > >> On Mon, Jun 22, 2015 at 10:54 AM, Hardik Soni <[email protected]> > >> wrote: > >> > Hi All, > >> > > >> > Is there any possibility that OVS allows DHCP request (broadcast) > >> > originating from the interfaces(mostly virtual interfaces like > >> > tap/tunnel) > >> > controlled by itself? > >> Yes. That is possible. > >> > >> > >> > The NetworkManager is running on the system, is there any possibility > >> > that > >> > NM is trying assign IP to the interfaces controlled by OVS? > >> That is possible too. > >> > >> > > >> > Thanks, > >> > Hardik Soni > >> > > >> > > >> > _______________________________________________ > >> > discuss mailing list > >> > [email protected] > >> > http://openvswitch.org/mailman/listinfo/discuss > >> > > >> > > _______________________________________________ > > discuss mailing list > > [email protected] > > http://openvswitch.org/mailman/listinfo/discuss > _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
