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Slow cloud storage upload speed on RT-AX86U

jdbhomenet

New Around Here
Hey all, this is my first time posting here, as I've been going crazy trying to figure this out.

I have gigabit service up and down. When plugged into the modem directly, I get the full gigabit of upload speed from Dropbox and iCloud Drive. But when connected to my AX86U (both Wi-Fi 6 and ethernet), I get 6-12MB/s upload—a far cry from the 100-115MB/s I get when connected directly.

I've updated firmware, used Merlin and stock firmware, and changed DNS settings, but I still cannot figure out why it's so slow through my router.

What are your thoughts?
 
Has QoS been accidentally enabled?

Check the ethernet connection between the modem and the router's WAN port is 1 Gbps and hasn't dropped to 100 Mbps (Network Map > System Status).
 
Has QoS been accidentally enabled?

Check the connection between the modem and the router's WAN port is 1Gb and hasn't dropped to 100Mb.
I appreciate the quick response. QoS and traffic monitoring are both off. DNS over TLS is on, but even when switched off, it has no impact. I've also tried both the 1Gb and 2.5Gb ports as WAN. No dice.
 
Also, for the record, speed tests work as intended over Wi-Fi. It's just the cloud storage upload speeds.
Sorry, I misunderstood. I thought you were having slow speeds for all traffic, and cloud storage was just an example of something that should always be higher than 12MB/s.

I don't use Dropbox/iCloud so I'll have to leave it to others to comment on that. Apologies for the confusion.
 

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