Does anyone know a router where I could have two LTE connections active, and mutiply packets over each interfaces. I feel like this is the only way to guarantee some kind of connectivity in a moving vehicle where the signal strengths etc might change all the time. I've had situations where the mobile link is up, but you can only get the OSPF packets go through and pretty much nothing else as it's so slow. From the routers perspective it sees the link as up and doesn't switch to another link.
And with routers that fail over to second link after a certain period, it might be already too late. If the vehicle is moving there might be a blind spot for the first ISP for 3 seconds and then it is fixed. So this is why I though multiplying packets over two interfaces could work. I would have a second router in the DC that receives the packets from both ISPs and replies to the first one and drops the second one if it ever comes to the router as it's a duplicate.
As a non-profit situation this also would need to be budget friendly setup :) I'm also open to an idea of getting industrial grade mini-pc and fitting that with multiple LTE cards and then doing this all with software router/linux.
Thanks for any ideas!
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