[ovs-discuss] Fwd: how to enable BFD in openvswitch2.1.3

Alex Wang alexw at nicira.com
Sun Nov 23 17:24:33 UTC 2014


Hey,

Could you tcpdump on N3 and see if you can receive the gre encap bfd pkts.

And also does the same on N2, if you could not see bfd pkts on N3.

I suspect there is some config issue on N2 with two ifaces on same subnet,

Thanks,
Alex Wang,


On Fri, Nov 21, 2014 at 3:54 PM, Ravi Chandra <ravi.vitu at gmail.com> wrote:

> Hi all,
>
>     I tried to do what you were doing and I was successful in enabling a
> BFD over two directly connected  ovs-switches.
>
> But, I would like to know if BFD can be enabled over two switches which
> are not directly connected but are connected through some intermediate node.
>
> For ex: Let us take this case where we have three nodes (ovs-switches),
> the way they are connected and their IP addresses is mentioned below.
>
> N3 --------------------------------------------- N2
> ----------------------------------------- N1
> 10.103.0.2/24           10.103.0.5/24    10.103.0.7/24
> 10.103.0.6/24
>
> Now I would like to create a BFD traffic between N3 and N1.
>
> As discussed previously (where two directly connected nodes were used to
> enable BFD.)I tried to create a gre tunnel between N3 and N1 and then
> linked their IP as "remote_ip" in each other.
>
> I am able to ping N3 to N1 and vice versa. Also, the ovs-vsctl list
> interface is showing that the BFD enable = true but the BFD status shows
> that the forwarding="false" and state="down'.
>
> This was not the case when I tried to enable BFD over directly connected
> nodes.
>
> Am I missing something? Kindly, help.
>
> Thanks,
> Ravi
>
>
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://openvswitch.org/pipermail/ovs-discuss/attachments/20141123/14f929da/attachment-0002.html>


More information about the discuss mailing list