When I had both DSL and cable modem, I compiled Linux with this patch set to make multi gateway NAT work and it worked great

http://ja.ssi.bg/#routes

Should be able to use that plus ifb+cake on each NIC to do the right thing, aye?

As an aside, I'm kind of furious that NAT fix never got merged upstream :( it's so useful for multiple uplinks

-- Dan

> On May 3, 2020, at 10:23 AM, Rich Brown <richb.hanover@gmail.com> wrote:
> 
> Given the crummy internet service in my area (DSL, max of 15mbps/1mbps), I wonder if we could improve things by getting a second connection from our ISP and "bonding" the two links together in my OpenWrt router.
> 
> I see both Multiwan (which is self-described as old) and mwan3. 
> 
> But neither would seem to offer the kinds of latency control (SQM/fq_codel/cake) that the cool kids in networking have come to expect. 
> 
> Any recommendations from this group for such an effort? Thanks.
> 
> Rich
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