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I currently only have 1 WAN connection, but I'm considering getting a second, and taking advantage of OpnSense's load-balancing capabilities.

Has anyone implemented traffic shaping with a multi-wan setup?

I see in the traffic shaper rules that you have to specify an interface.  If I have multi-wan, wouldn't I need to be able to specify a gateway group for the traffic shaper rule?

I have been using the FlowQueue-CoDel scheduler type successfully for traffic shaping for a few months.

Does anyone know if it is possible to use FlowQueue-CoDel in conjunction with weighted Queues? 

I have about 5 Mbits of download bandwidth total to work with, and a Roku box with a fixed IP address that I'd like to prioritize, when it's streaming, to give it all or nearly all of the 5 Mbits.  Now the Roku isn't always using 5 Mbits when it's streaming, so I'd like other clients to get whatever bandwidth is left over, or when more is available when the Roku is not using all 5 Mbits.

So the weighted Queue feature seemed to be a perfect fit for what I want, and I can indeed get it to work when using a scheduler type of Weighted Fair Queueing.  But when I switch my download pipe to use the scheduler type of FlowQueue-CoDel, the Queue weights seem to be ignored.

So I would like, if possible, to combine the elimination of buffer bloat I get with FQ-CoDel with the weighted queues.  Maybe the two are just incompatible, and I have mis-understood something along the way?

Thanks for any insights anyone can provide!