Hello Jesse,

Yes, on Wireshark listening to eth0, I see udp packets being sent and received between the hosts (udp, destination port: 4789, which is vxlan port). So the hosts are comunicating (the tunnel is) but I can't see any reply on my br-vnet wireshark, or my VM receiving the answer that reached the host.

Thanks,
Andrei

On 08/28/2013 02:50 AM, Jesse Gross wrote:
On Tue, Aug 27, 2013 at 5:51 AM, Andrei Andone <andrei.and...@softvision.ro <mailto:andrei.and...@softvision.ro>> wrote:

    Hello guys,

    I have a question related to the "options:remote_ip=flow" feature.

    My config looks like this for one host:

    [root@localhost ~]# ovs-vsctl show
    e927ea5a-41d8-4bf5-9145-5be06e18bc9f
        Bridge "br-eth0"
            Port "br-eth0"
                Interface "br-eth0"
                    type: internal
            Port "eth0"                   (external interface)
                Interface "eth0"
        Bridge br-vnet
            Port br-vnet
                Interface br-vnet
                    type: internal
            Port "vxlan1"                 (tunnel I use)
                Interface "vxlan1"
                    type: vxlan
                    options: {key="10", remote_ip=flow}
            Port "vnet0"                  (port for the virtual machine)
                Interface "vnet0"
        ovs_version: "1.12.90"
    [root@localhost ~]#

    If I set the "options:remote_ip=A.A.A.1" (the IP for host 2)
    everything works just fine ARP requests from my VM, pings to the
    subnet, etc.

    If I leave it like this, it doesn't work.

    I followed some instructions that I could find by google-ing.

    I know I need to set up flows to transmit and to receive, but I'm
    not sure how.
    Until now, for transmitting I used:

    ovs-ofctl add-flow br-vnet
    "in_port=1,actions=set_field:A.A.A.1->tun_dst,output:2"
    (in_port = virtual network port, output = tunnel port)


Do you actually see packets going out on the wire when they hit this flow?

--
Andrei Andone

SOFTVISION | 57 Republicii Street, 400489 Cluj-Napoca, Romania
Email: andrei.and...@softvision.ro <mailto:andrei.and...@softvision.ro> | Web: www.softvision.ro <http://www.softvision.ro>

The content of this communication is classified as SOFTVISION Confidential and Proprietary Information.

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