[ovs-discuss] Tunneling doesn't work. What am i doing wrong?

[Oliver Treck]

Guru, thanks a lot. That did the trick!

I can't believe it was that easy.

Kind Regards,
Oliver

Am 09.02.16 um 18:44 schrieb Guru Shetty:
>
>
> On 9 February 2016 at 05:50, Oliver Treck <olli at treck.de 
> <mailto:olli at treck.de>> wrote:
>
>     Hi Everyone.
>
>     I was using OVS 1.x with tunneling over GRE which worked perfectly
>     out of the box, but now i have big problems getting tunneling to work.
>
>     I'm using OpenvSwitch 2.3.2 on Debian Jessie 8.2.
>     I want to connect 3 Hosts, but 2 Hosts does not work either.
>
>     My /etc/network/interfaces looks like:
>     =====
>
>     allow-vmbr0 gre0
>     iface gre0 inet manual
>      ovs_bridge vmbr0
>      ovs_type OVSTunnel
>      ovs_tunnel_type gre
>      ovs_tunnel_options options:remote_ip=<PUBLIC-IP-OTHERHOST>
>
>     # Loopback device:
>     auto lo
>     iface lo inet loopback
>
>     # device: eth0
>     auto eth0
>     iface eth0 inet static
>      address <PUBLIC-IP-HOST>
>      netmask 255.255.255.192
>      gateway <GATEWAY>
>
>     auto vmbr0
>     iface vmbr0 inet static
>      address 10.0.1.1
>      netmask 255.255.255.0
>      ovs_type OVSBridge
>      ovs_ports gre0
>      ovs_extra set bridge vmbr0 stp_enable=true
>      up ovs-vsctl set Bridge ${IFACE} stp_enable=true
>
>     =====
>
>     The other Host does use 10.0.1.2 as internal IP.
>
>     I can successfully ping the internal IP, but cannot transfer any data.
>     Tests with iperf aborted after 1000 seconds.
>
>
> Oh. So you can ping but can;t large data transfer via tunnels? I would 
> retry after reducing the MTU size of vmbr0 to 1450.
>
>
>     I also tried VXLAN, without success!
>
>     As i'm not sure if i have to use a controller, i tried connecting
>     floodlight as controller, but that was no help at all.
>
>     I have no idea, what i can do anymore. Does anyone can help me out?
>
>     Kind Regards,
>     Oliver
>     _______________________________________________
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>     discuss at openvswitch.org <mailto:discuss at openvswitch.org>
>     http://openvswitch.org/mailman/listinfo/discuss
>
>

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