====== Cisco VPN Types =======
===== Standard IPsec VPN =====
==== Linux Support ====
There are multiple implementations around such as [[https://www.openswan.org/ | Openswan]],  
[[https://libreswan.org/ | Libreswan]], and [[https://www.strongswan.org/ | strongSwan]].
==== NetModule Support ====
NetModule Routers used Openswan as the IPSec Framework until Version 3.8.

Starting with 4.0 we switched to StrongSwan with IKEv2 Support

===== Cisco SSL AnyConnect VPN (WebVPN) =====
Cisco SSL AnyConnect VPN allows remote users to access enterprise networks from anywhere on the Internet through 
an SSL VPN gateway using a web browser. During the establishment of the SSL VPN with the gateway, the client downloads 
and installs the AnyConnect VPN client from VPN gateway.

Cisco ASA 5500-X products support SSL AnyConnect VPN.
==== Linux Support ====
The Linux client implementation is [[http://www.infradead.org/openconnect/ | openconnect]]. There is also a server 
implementation called [[http://www.infradead.org/ocserv/|ocserv]].
==== NetModule Support ====
NetModule Routers currently do not ship with Cisco SSL VPN support. If you want to do some tests, ask for a test image.

===== Cisco EasyVPN (EzVPN) =====
Using standards-based IPsec technology, [[http://www.cisco.com/c/en/us/products/security/ios-easy-vpn/index.html |Cisco IOS Easy VPN]] greatly simplifies VPN deployment with centralized 
VPN management across all Cisco VPN devices. It supports integration of a variety of remote devices within a single 
deployment and with a consistent policy and key management method, which simplifies remote side administration.

Supported Cisco products include Cisco ASA 5500 Series, Cisco VPN 3000 Series, and Cisco PIX Firewall.

==== Linux Support ====
The Linux client implementation is [[https://www.unix-ag.uni-kl.de/~massar/vpnc/ | vpnc]]. 
There is no known server implementation. The client does not support Network-Extension Mode (NEM).

==== NetModule Support ====
NetModule Routers currently do not ship with Cisco EasyVPN support. If you want to do some tests, ask for a test image.



===== See also =====
  * [[http://www.cisco.com/c/dam/en/us/products/collateral/ios-nx-os-software/enterprise-class-teleworker-ect-solution/prod_brochure0900aecd80582078.pdf|Cisco Site-to-Site VPN Technologies Comparison]]