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[[File:Configuration examples l2tp over ipsec scheme.png]]
[[File:Configuration examples l2tp over ipsec scheme.png]]
The figure above above depicts two RUTxxx routers (RUT1 and RUT2) connected by an IPsec tunnel via the Internet.
The figure above depicts the L2TP/IPsec scheme. It is fairly similar to the [[L2TP_configuration_examples#Configuration_overview_and_prerequisites|L2TP]] and [[IPsec_configuration_examples#Configuration_overview_and_prerequisites|IPsec]] configuration schemes - the router with the Public IP address (''RUT1'') acts as the L2TP/IPsec server and the other router (''RUT'') acts a client. L2TP connects the networks of ''RUT1'' and ''RUT2'' and IPsec provides the encryption for the L2TP tunnel.
==Router configuration==
==Router configuration==
If you have familiarized yourself with the configuration scheme and have all of the devices in order, we can start configuring the routers using instructions provided in this section. To summarize, we'll be configuring an L2TP server and an IPsec Transport instance (server) on ''RUT1''; an L2TP client and an IPsec Transport instance (client) on ''RUT2''.
===IPsec===
===IPsec===
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First, you must configure a working IPsec Transport connection. This subsection contains instructions on how to do just that. The relevant parameters will be encapsulated <span style="color:red">'''in red rectangles'''</span>. Explanations about these parameters will be provided under each example. Other used parameters will be defaults; you can find explanations for those parameters in the '''[[VPN#IPsec|VPN manual page, IPsec section]]'''.
====Server====
====Server (RUT1)====
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----
*
====Client====
[[File:L2tp over ipsec ipsec server.png]]
====Client (RUT2)====
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*
[[File:L2tp over ipsec ipsec server.png]]
===L2TP===
===L2TP===
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==See also==
* Other types of VPNs suported by RUTxxx devices:
** [[L2TP configuration examples]]
** [[IPsec configuration examples]]
** [[OpenVPN configuration examples]]
** [[PPTP configuration examples]]
