[ovs-discuss] Creating a loopback virtual port in OVS

[Tomer Pearl]

Hello ovs community,
I'm requesting help, after long days of frustration.

My goal is to create a loopback vport in ovs so I can send packets to that port (by using an output action to that vport) and receive the same packet in table 0 again.

I'm using openvswitch-2.1.2-1.x86_64 rpm version.

I have tried many things:

1. Defined a single interface that will do that loopback

2. Defined two interfaces, used the first interface as a value to the output action and matched on the second interface number.

3. Tried to define two interfaces with vxlan tunnel between them and use them as described in option 2 above.

Nothing seems to work.

Can someone give me an example for doing such a thing that works?
I have searched the web and didn't find a tutorial that addressed my problem.

Thank you very much,
Tomer.

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[Ben Pfaff]

Post by Tomer Pearl
I'm requesting help, after long days of frustration.
My goal is to create a loopback vport in ovs so I can send packets to
that port (by using an output action to that vport) and receive the
same packet in table 0 again.

You can use a patch port, or you can use a resubmit action.