That's true, generally speaking, but ovs-ofctl might have a few missing features. If you find any omissions, please report them.
On Tue, Apr 10, 2018 at 10:39:32PM +0000, Michael Williams wrote: > Can every command that OvS recognizes from a controller also be done via the > Linux command line? > > > > -----Original Message----- > From: ovs-discuss-boun...@openvswitch.org > <ovs-discuss-boun...@openvswitch.org> On Behalf Of Ben Pfaff > Sent: Tuesday, April 10, 2018 18:28 > To: Sh j <segu...@gmail.com> > Cc: ovs-discuss@openvswitch.org > Subject: Re: [ovs-discuss] OVS sends ARP request to the controller also > broadcasts ARP request > > I think there's some confusion here. OVS doesn't originate ARP requests. It > only forwards ARP requests generated by some other software, such as the > Linux kernel. If you don't want OVS to pass ARP requests to the controller > via packet_in, then you can either configure the software that generates them > not to do so, or you can configure OVS (via the controller) to forward them > without generating a packet_in. > > On Tue, Apr 10, 2018 at 05:54:36PM -0400, Sh j wrote: > > Thank you. I fixed the problem through the flow table installed by > > ONOS and I do not see ARP broadcasts anymore. > > > > > > > > > > I have another question about packet_in messages to the controller. > > Before that, I will explain about my topology. I asked related > > questions before but I still have a problem. > > > > > > Usually, in the topology, OVS connected to hosts and they help hosts > > to communicate with each other. I prefer not to have any host and all > > nodes in my network acts as forwarding elements (running OVS) > > (especially in case of wireless networks, it is easier to add mobility to > > nodes without hosts). > > > > After having this topology (OVS1--OVS2---OVS3), with the following > > configuration: > > > > OVS1(eth0) ------- (eth0)OVS2 > > > > ovs-vsctl add-br brx > > ovs-vsctl add-port brx ethx > > ip addr flush dev ethx > > ip addr add 10.0.0.x/16 dev brx > > ip link set brx up > > > > > > when 10.0.0.1 (br1) pings 10.0.0.2(br2), node1 sends a packet_in > > message(ICMP) to the controller(ONOS). > > > > But, when 10.0.0.1(br1) pings 10.0.0.3(br3), node1 sends a packet_in > > message(ARP) to the controller. > > While I do not except this ARP request to the controller. I am > > expecting ICMP message as a packet_in to the controller in the first > > place, after that based on the packet_out, node1 is supposed to send > > the ARP request for the next hop. I do not know why OVS sends this ARP > > requests. > > > > In this case, which part of the network needs to change? should I > > change the configuration of OVS and how? > > > > Thank you in advance > > > > > > > > > > On Tue, Apr 10, 2018 at 4:27 PM, Ben Pfaff <b...@ovn.org> wrote: > > > > > On Mon, Apr 09, 2018 at 01:09:37PM -0400, Sh j wrote: > > > > Hello, > > > > > > > > I have the following topology: > > > > > > > > host1 ----openvswitch1 ----openvswitch2----host2 > > > > > > > > and both openvswitches are connected to the ONOS controller. > > > > > > > > The problem is that when host1 ping host2, openvswitch1 sends the > > > > ARP request as a packet_in to the controller, Also, it broadcasts > > > > the ARP request so that openvswitch2 receives this broadcast. > > > > > > > > Do you have any suggestion how to avoid this ARP broadcast? > > > > > > I would guess that ONOS can control this behavior through the flow > > > table. > > > > _______________________________________________ > discuss mailing list > disc...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
