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I need to connect to a L2TP IPsec VPN using Ubuntu 14.10. I previously used L2TP IPsec VPN Manager 1.0.9 from Werner Jaeger in Ubuntu 14.04, and it worked great, but that no longer appears to be supported in 14.10. I have xl2tpd installed. I no longer see the option to add a L2TP Ipsec VPN connection under the VPN Connections menu in Network Connections. Any help or guidance is appreciated.

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The lt2p-ipsec-vpn package was deprecated along with OpenSwan. Ubuntu has replaced OpenSwan with StrongSwan, which is available in the main, along with a corresponding network manager plugin in universe.

apt-get install strongswan network-manager-strongswan
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    l2tp-ipsec-vpn was deleted due to its dependency on openswan as well – Ben Grimm Jan 28 '15 at 22:19
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    @Pretzel did you ever succeed in getting IPSec/L2TP to work with pre-shared keys? – sbrattla May 1 '16 at 20:26
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    Could any of you show us how it's integrated with the network manager applet. I have installed these programs but don't see any additional options in nm. – Brandon Bertelsen May 28 '16 at 0:48
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    Not sure if I'm missing something, but this solution does not make L2TP available in VPN connections. – Seth Jun 2 '16 at 22:20
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    Yes, currently it doesn't show up on the network manager. This is already known bug: bugs.launchpad.net/ubuntu/+source/network-manager-strongswan/… Fortunately, someone has applied some patches to solve this and made them available through this PPA: launchpad.net/~raharper/+archive/ubuntu/bugfixes – Akronix Feb 27 '17 at 11:12
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StrongSwan should work with xl2tpd

I know it's a best practice to paste the actual scripts but it's quite a bit. And honestly a link here would have saved me some trouble so hopefully someone finds this useful...

http://www.jasonernst.com/2016/06/21/l2tp-ipsec-vpn-on-ubuntu-16-04/ https://www.rapidvpn.com/setup-vpn-l2tp-ubuntu https://gist.github.com/psanford/42c550a1a6ad3cb70b13e4aaa94ddb1c

Maybe after I'm done I'll share the final script.

EDIT

A few implementation notes

  1. I had to remove the lock keyword from /etc/ppp/options.l2tpd.client
  2. Username and password should be specified when echo into /var/run/xl2tpd/l2tp-control
  3. rightsubnet=0.0.0.0/0 was added to the connection in /etc/ipsec.conf even though mine was a site-to-site VPN
  4. ip link lists your devices. There should be a pppN in the list where N is a number from 0
  5. For site-to-site I used the following to add a new route... ip route add 192.168.192.0/24 dev ppp0
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