[Bug 2085749] Re: Cannot Connect to VPN after Upgrading to 24.10

network-manager-l2tp's MPPE support has been broken for over 10 years when Compression Control Protocol (CCP) was disabled with the following commit in its source code: https://github.com/nm-l2tp/NetworkManager-l2tp/commit/5fe98f70344e842faa28014be7ba259c2db7ae8b MPPE negotiations need to happen

[Bug 2085749] Re: Cannot Connect to VPN after Upgrading to 24.10

I fixed it by turning off "Use point to point encryption (MPPE) in the PPP settings. Before it did not seem to matter, but I guess it does now. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2085749 T

[Bug 2085749] Re: Cannot Connect to VPN after Upgrading to 24.10

Can you give the log output of the following? journalctl --no-hostname _SYSTEMD_UNIT=NetworkManager.service + _COMM=kl2tpd + SYSLOG_IDENTIFIER=pppd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/208574