[ovs-discuss] Issue with OVS Patch port
Ben Pfaff
blp at ovn.org
Thu Dec 14 04:37:23 UTC 2017
On Wed, Dec 13, 2017 at 09:24:49PM -0500, Vasu S wrote:
> I'm trying to connect two OVS bridges via patch ports, however, as soon as
> I add the ports as type=patch, they disappear from the ifconfig and I'm
> unable to check any traffic hits on either of the patch interfaces.
Patch ports aren't real interfaces and will not appear in ifconfig.
> Of course, I'm not able to get the ping going with the patched
> interfaces Only one OVS amongst the two is connected to the outside
> network via GRE tunnel.
>
> Topology roughly looks like as the attached document.
>
> Problem: Unable to ping VM1 from VM2
> Expected route: VM2->ovsbr-ext->GRE Tunnel->ovsbr1->patchlink->ovsbr2->VM1.
>
> Patch config on the bridges ovsbr1 and ovsbr2 are as follows:
I suggest tracing the path of a packet. The FAQ has some suggestions
for how to do this.
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