I have a brand new DSL-AC86U which appears to be throttling or otherwise slowing the wifi connection only to a windows laptop. (I have no other PCs connected or at hand, just android phones)
Firmware version: ASUS 3.0.0.4.386_39648
The VDSL connection is 25mbit/5.
Multiple android phones have been tested to achieve ~24mbit, 2.4Ghz or 5Ghz.
Windows laptop: Begins at ~4mbit, quickly slows to 600kbit-1mbit. Upload remains fine at 5mbit. Both 2.4 and 5Ghz.
Here's the interesting thing: If I connect to an external VPN, the laptop achieves 12mbit+. This has been tested with multiple VPNs.
If I hotspot an android phone on 4g, the laptop achieves >40mbit.
If I hotspot an android phone that is connected to the DSL-AC86U (newer android phones can act as an AP + client simultaneously) then the previous 600kbit-1mbit speed returns, even though the phone itself achieves 24mbit.
It seems to me like the router is performing some kind of traffic inspection or analysis perhaps (and hates my laptop), or maybe there's a setting causing this issue I haven't discovered.
QoS is disabled. Enabling/disabling has no effect.
IPTraffic is disabled. Enabling/disabling has no noticeable effect.
URL/Keyword/Network services filters are disabled.
NAT Acceleration: Auto: CTF (Cut Through Forwarding) is enabled. (this wasn't the case in gnuton merlin, see below)
I have switched to gnuton's merlin for DSL-AC68U and the exact same issue occurs. However next to 'NAT Acceleration' the message "NAT Traffic is processed by CPU" appears. In the sysinfo tab, HW Acceleration is disabled, with message "incompatible with:" but no actual listed service (again IPtraffic is disabled. I enabled it, and it appeared next to this message, but disabling it again still results in HW acceleration being disabled with no listed cause).
I am very much out of ideas with this so any help would be appreciated! Let me know if any other setting values etc would be helpful.
Thanks!
Firmware version: ASUS 3.0.0.4.386_39648
The VDSL connection is 25mbit/5.
Multiple android phones have been tested to achieve ~24mbit, 2.4Ghz or 5Ghz.
Windows laptop: Begins at ~4mbit, quickly slows to 600kbit-1mbit. Upload remains fine at 5mbit. Both 2.4 and 5Ghz.
Here's the interesting thing: If I connect to an external VPN, the laptop achieves 12mbit+. This has been tested with multiple VPNs.
If I hotspot an android phone on 4g, the laptop achieves >40mbit.
If I hotspot an android phone that is connected to the DSL-AC86U (newer android phones can act as an AP + client simultaneously) then the previous 600kbit-1mbit speed returns, even though the phone itself achieves 24mbit.
It seems to me like the router is performing some kind of traffic inspection or analysis perhaps (and hates my laptop), or maybe there's a setting causing this issue I haven't discovered.
QoS is disabled. Enabling/disabling has no effect.
IPTraffic is disabled. Enabling/disabling has no noticeable effect.
URL/Keyword/Network services filters are disabled.
NAT Acceleration: Auto: CTF (Cut Through Forwarding) is enabled. (this wasn't the case in gnuton merlin, see below)
I have switched to gnuton's merlin for DSL-AC68U and the exact same issue occurs. However next to 'NAT Acceleration' the message "NAT Traffic is processed by CPU" appears. In the sysinfo tab, HW Acceleration is disabled, with message "incompatible with:" but no actual listed service (again IPtraffic is disabled. I enabled it, and it appeared next to this message, but disabling it again still results in HW acceleration being disabled with no listed cause).
I am very much out of ideas with this so any help would be appreciated! Let me know if any other setting values etc would be helpful.
Thanks!