[ovs-discuss] How to match the VLAN VID of frames tunneled to a VXLAN port?

Ben Pfaff blp at ovn.org
Sat Nov 3 15:25:10 UTC 2018


On Sat, Nov 03, 2018 at 06:45:08AM +0100, Alan Kayahan wrote:
> Hello,
> 
> I am trying to build a simplified version of the "sample L2
> transparent network service chaining implementation" described in
> section 6 of this document
> https://www.opennetworking.org/wp-content/uploads/2014/10/L4-L7_Service_Function_Chaining_Solution_Architecture.pdf.
> 
> My simplifications:
> 1) 3 OVS bridges on 3 nodes
> 2) Just a single flow and a single chain to steer without bypassing any service.
> 3) No 5-tuple matching, just in_port
> 4) VXLAN remoteIPs are hardcoded, key=flow, and attached as a port to the bridge
> 
> Problem: Matching the VLAN field inbound to a VXLAN port doesn't work.

Do you expect the VLAN field to match the inner or outer VLAN?  It will
actually match the inner VLAN?


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