[ovs-discuss] vxlan remote_ip flow help
Andrei Andone
andrei.andone at softvision.ro
Wed Aug 28 11:48:58 UTC 2013
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.andone at softvision.ro <mailto:andrei.andone at 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 at 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 at 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.andone at softvision.ro <mailto:andrei.andone at 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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