I am running UTM v9.353-4 ASG Software as a Hyper-V virtual machine with 4GB of Ram and 2 vCPU 2.0Ghz. I recently setup a WLAN with AP 30 and noticed horrible throughput when benchmarking on speedtest sites. the AP 30 is connected to a 100megabit switch on the Internal interface of the Sophos UTM however when I benchmark with my laptop on 100megabit LAN I get 60 megabits up/down which is the speed of my FIOS connection. When connected Wifi 2.4Ghz Auto Channel I barely get 7 megabits and this is just a single client! The Clients list in UTM interface shows my connection speed as 144mbps (shouldn't it be 300?) and yet I am not getting anywhere close to that. I know there is overhead and it is limited by 100mbps switch interface but I expect to get at least 40mbps or so.
I have even tried turning off all filtering including Web, Advanced, Firewall, QOS, etc and it doesn't budge, my client is a Macbook that supports 802.11n/ac and with prior routers I am able to get full 60/60 speed on internet connection connecting at 300mbps rate. UTM CPU and Memory usage never go above 60%
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