I'm pretty sure that's the same thing that you said at the beginning of the thread. I don't have anything more to add. Perhaps someone else will have a suggestion.
On Mon, Feb 20, 2012 at 04:18:58AM +0530, sachin sharma wrote: > Hi Ben, > My problem is that I am not able to establish the connection between the > controller and the Open Vswitch switches which are not directly connected. In > addition to the commands written in INSTALL.Linux, I just added the > set-controller command to the br0 datapath, However, this is enabling > out-of-band communication. I am saying this because I am not able to see the > controller traffic from the ethernet ports which I have added to the datapath > unit (br0 in our cases). > > > I will explain my problem with the help of following setup: > > > A (eth1) --------------- (eth1)B(eth2)-------------(eth1)Controller > > A and B are Open vSwitches in above diagram. Let the IP address of eth1 at > the controller is 192.168.1.1. > > > In A, I have added eth1 port in br0 datapath as explained in INSTALL.Linux. > then I added the controller by following command: > ovs-vsctl set-controller br0 tcp:192.168.1.1:6633 > > In B, I have run same commands ie added eth1 port of B as datapath port. and > again setted controller. > > In B, I am able to see the connection with the controller, established by > netstat command!. > > It is going through eth2 which have not been added in br0 of B. It is going > through following routing entry in B. > 192.168.1.0 * 255.255.255.0 U 0 0 0 eth2 > > But the Open vSwitch A is not able to establish the connection with the > controller which I was expecting from eth1? > > I was expecting that the openvswitch A would search the controller by sending > ARP messages and would then add the hidden flows for the controller traffic. > However, this is not happening. > However, this is not happening? > > Thanks, > > > > > > ________________________________ > From: Ben Pfaff <b...@nicira.com> > To: sachin sharma <sharon_sac...@yahoo.co.in> > Cc: "discuss@openvswitch.org" <discuss@openvswitch.org> > Sent: Sunday, 19 February 2012 8:41 PM > Subject: Re: [ovs-discuss] how to enable inband communication > > No, no additional setup should be necessary. It's not obvious to me > what your problem is. > > On Sun, Feb 19, 2012 at 04:33:46PM +0530, sachin sharma wrote: > > Hi Ben, > > Do I also need to enable in-band stuff at the datapath ports as well? I > > just added the datapath port as explained in INSTALL.Linux and then setted > > up the controller as you explained in last mail. I am not observing any > > packet exchange in the tcpdump output of datapath ports. My set up is => > > switch A, B and C connected in a linear way and the controller is connected > > to switch B. So in this setup, I am interested that the controller traffic > > of the switch A and C should go via datapath ports connected to switch B. > > > > > > thanks, > > Sachin > > > > > > > > ________________________________ > > From: Ben Pfaff <b...@nicira.com> > > To: sachin sharma <sharon_sac...@yahoo.co.in> > > Cc: "discuss@openvswitch.org" <discuss@openvswitch.org> > > Sent: Wednesday, 15 February 2012 6:04 PM > > Subject: Re: [ovs-discuss] how to enable inband communication > > > > On Wed, Feb 15, 2012 at 08:02:05PM +0530, sachin sharma wrote: > > > I found the design of inband communication at openvswitch via DESIGN > > > file in the openvswitch. However, i did not find the exact steps to > > > configure this in our switches. > > > > In-band control is enabled by default when you configure a controller. > > You can use "ovs-vsctl set-controller <bridge> <controller>" to > > configure a controller. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
