[ovs-discuss] problem with multiple pop_mpls

Adel Belkhiri adel.belkhiri at gmail.com
Wed Nov 13 17:46:26 UTC 2019

Hi All,

I have an issue with popping multiple mpls headers with ovs. The pushing
via push_mpls works fine but the popping via pop_mpls triggers a warning in
the log and the operation is not accomplished.

|WARN|system at ovs-system: execute pop_mpls(eth_type=0x8847),pop_mpls
(eth_type=0x800),2 failed (Invalid argument) on packet
metadata skb_priority(0),skb_mark(0), in_port(1) mtu 0

I'm using the last version of OVS : 2.12.90. My OpenFlow rules are the
following :

sudo ovs-ofctl add-flow $S1
sudo ovs-ofctl add-flow $S1

Any hint how to solve this?

Many thanks.
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