[ovs-discuss] RSTP in VLAN

Ben Pfaff blp at ovn.org
Thu Feb 14 15:48:41 UTC 2019

On Wed, Feb 13, 2019 at 08:43:56AM +0100, Matthias May via discuss wrote:
> Hi
> I've run into the situation where I need to receive/transmit VLAN-tagged RSTP frames.
> I can not find any information on anyone ever doing that with OVS.
> Any pointers on how to do that?
> What I've tried so far:
> A rule on the bridge in question:
> ovs-ofctl add-flow br0 "table=0 priority=2000 dl_dst=01:80:c2:00:00:00/ff:ff:ff:ff:ff:ff actions=strip_vlan,NORMAL"
> I expected at least the receive path to work with this.
> However in syslog I still get
> daemon.debug ovs-vswitchd: ovs|00010|rstp_sm(handler20)|DBG|br0, port 1: Bad STP or RSTP BPDU received
> When a vlan tagged BPDU is received.

It looks to me like this can only happen if the port has OVS's RSTP
support enabled on it.  Did you enable RSTP support on the port in

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