Fix L2TP VPN in Ubuntu 22.04 and PopOs 22.04

Fix L2TP VPN in Ubuntu 22.04 and PopOs 22.04.md

Fix L2TP VPN in PopOs 22.04

Step 1

sudo apt remove --purge xl2tpd

Step 2

wget http://archive.ubuntu.com/ubuntu/pool/universe/x/xl2tpd/xl2tpd_1.3.12-1.1_amd64.deb

Step 3

sudo dpkg -i xl2tpd\_1.3.12-1.1\_amd64.deb

Step 4

sudo apt install network-manager-l2tp network-manager-l2tp-gnome

Step 5

sudo service xl2tpd stop

Step 6

sudo reboot

Yes, mine also stopped working so I repeated the same process and it worked but it again stops after I disable and try to enable it again.
so I stop xl2tpd and it worked for me.

sudo service xl2tpd stop

You can try this and see if it works for you