Setting up RTL8153 adapter as USBWAN? (Connection solved, but speed is not that high)

Hello,
I have latest X-WRT installed on Xiaomi Mi WiFi R3. (it's 99% the same as OpenWrt).
i-tec USB 3.0 Metal HUB 3 Port + Gigabit Ethernet Adapter

I have installed kmod-usb-net-rtl8152 package,
How to make sure adapter is working?
And how to setup interface for internet to work over router wireless through this USBWAN?
My routers WAN is 100Mbit/s limited, thats why I want to overcome this limitation by using it's USB connection.

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ls -l /sys/class/net /sys/class/net/*/device/driver

It's basically the same as USB tethering instruction.

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Thank you. I will try to follow that instruction.

login as: root
root@192.168.15.1's password:


BusyBox v1.31.1 () built-in shell (ash)

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------
 X-WRT 9.0_b202102011655, Hirsute
 -----------------------------------------------------

root@X-WRT:~# ls -l /sys/class/net /sys/class/net/*/device/driver
lrwxrwxrwx    1 root     root             0 Feb 14 16:05 /sys/class/net/eth0/device/driver -> ../../../bus/platform/drivers/ralink_soc_eth
lrwxrwxrwx    1 root     root             0 Feb 13 04:43 /sys/class/net/eth1/device/driver -> ../../../../../../../bus/usb/drivers/r8152
lrwxrwxrwx    1 root     root             0 Feb  8 04:07 /sys/class/net/wlan0/device/driver -> ../../../../bus/pci/drivers/mt76x2e
lrwxrwxrwx    1 root     root             0 Feb 14 16:05 /sys/class/net/wlan1/device/driver -> ../../../bus/platform/drivers/rt2800_wmac

/sys/class/net:
lrwxrwxrwx    1 root     root             0 Feb  1 17:07 br-lan -> ../../devices/virtual/net/br-lan
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 erspan0 -> ../../devices/virtual/net/erspan0
lrwxrwxrwx    1 root     root             0 Jan  1  1970 eth0 -> ../../devices/platform/10100000.ethernet/net/eth0
lrwxrwxrwx    1 root     root             0 Feb  1 17:07 eth0.1 -> ../../devices/virtual/net/eth0.1
lrwxrwxrwx    1 root     root             0 Feb  1 17:07 eth0.2 -> ../../devices/virtual/net/eth0.2
lrwxrwxrwx    1 root     root             0 Feb 13 05:20 eth1 -> ../../devices/platform/101c0000.ehci/usb1/1-1/1-1.4/1-1.4:1.0/net/eth1
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 gre0 -> ../../devices/virtual/net/gre0
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 gretap0 -> ../../devices/virtual/net/gretap0
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 ip6gre0 -> ../../devices/virtual/net/ip6gre0
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 ip6tnl0 -> ../../devices/virtual/net/ip6tnl0
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lo -> ../../devices/virtual/net/lo
lrwxrwxrwx    1 root     root             0 Feb  7 01:42 sit0 -> ../../devices/virtual/net/sit0
lrwxrwxrwx    1 root     root             0 Feb  8 04:07 wlan0 -> ../../devices/pci0000:00/0000:00:00.0/0000:01:00.0/net/wlan0
lrwxrwxrwx    1 root     root             0 Feb  7 00:20 wlan1 -> ../../devices/platform/10180000.wmac/net/wlan1

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This looks like the interface you want.

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Thanks. I got internet working over adapter! But speed is not as I expected.
Connecting cable through routers WAN I got 95Mbits download and 95Mbits upload over wireless.
Now, connecting cable through adapter, I get 55Mbits download and 160Mbits upload. Even if my laptop is half meter away from router. Tested several times, I'm was not downloading anything.
Are there some things I can check, change? Or I have to buy a new router?

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