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Half the speed Download vs Upload

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slvrscoobie

Regular Contributor
Ive got a network setup on Fios Fiber 1Gb That connects to my AC3100 which is hard wired to my living room with my AC68U hardwired at 1gb in AP mode.
I noticed recently my speed in my living room is stuttering and fairly slow. Ran some speed tests and found the Wireless is pretty slow (ranges from 50mbps or sometimes starts out very fast 400, then rapidly drops to 100, then climbs back up to 150-180, where as uploads seem to be pretty fairly around 400+mbps.
I checked with my LAN and Im getting speeds in the high 600mbps - up and down.
Im using a MacBook 2018 with AC speeds that normally Id be getting around 400-500mbps up and down.
the QOS is off, and NAT acceleration is enabled / on.
I included my settings. anyone see anything weird that I should change? I recently updated to the .18 Merlin firmware. Not sure if that made a difference
 

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What have you done to troubleshoot the problem?

OE
 
I would try disabling IGMP Snooping, WMM No-Acknowledgement, AMPDU Aggregation, Ack Suppression, and AC Beamforming and then see how it performs.
 

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