The resolution is too difficult for me - I have neither the competence nor confidence to go poking around in the hardware.
Looks like I will have to stay on 19.07.
Hi @badulesia ,
I'm using my DM200, but only modem I don't need router and router rules for that I use pfsense.
I don't find any difference 19.07 or 21.02, I think if you use only modem side yes 19.07 is perfect, but if you use router side I think 21.02 is the best.
Open and attach serial it's very easy. Remember if you buy serial attetion there are many fake chips.
Giovanni
I agree.
In fact your device just acts as a bridge, with no routing rules. So whatever version will do, no matter the security enhancement 21.02 can provide.
Reading your answer, you seem to think that I have this device. I don't
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