2016-02-26, Thomas Morin:
2016-02-25, Ben Pfaff:
Thomas: can you provide an example of the actions for your use case?
mpls,in_port=1,mpls_label=200,mpls_bos=1
actions=pop_mpls:0x0800,mod_dl_src:5a:19:2a:49:c1:ee,mod_dl_dst:fa:16:3e:2f:82:b0,output:220
220 being a patchport, a veth or a tap interface.
For the sake of illustrating that this is a use case to consider, this
kind of action (with a physical port) is very typical of what a router
implementing BGP/MPLS VPNSs (RFC4364) will do to send traffic to a
customer site.
Implementations of BGP/MPLS VPNs that implement that in the vswitch
(e.g. OpenContrail, bagpipe-bgp, to name opensource ones) may want to do
that as well.
-Thomas
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