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I have the same adapter (in a Lenovo Legion Y530) and I had to turn aspm off for the wireless adapter. Create a new r8822be.conf file in /etc/modprobe.d/, with the following contents: options r8822be aspm=0 After this, I also had to turn off the laptop, unplug the charger, wait for a few minutes, and turn it back on. No more wireless issues after this.


First Network Manager by default doesn't support L2TP, So first install network-manager-l2tp, Use below steps. sudo apt install git intltool libtool network-manager-dev libnm-util-dev libnm-glib-dev libnm-glib-vpn-dev libnm-gtk-dev libnm-dev libnma-dev ppp-dev libdbus-glib-1-dev libsecret-1-dev libgtk-3-dev libglib2.0-dev xl2tpd strongswan libnss3-dev ...


Try to disable IPv6 and restart system. Few Ubuntu distro had similar issue in back., Since eOS is based on Ubuntu worth trying if that'll fix issue.

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