![]() Create a dynamic crypto map and then map it to a crypto map.Define an ISAKMP/IKEv1 policy using 3DES encryption with SHA1 hash method.Instruct IPsec to use transport mode rather than tunnel mode.Create a transform set with a specific ESP encryption type and authentication type.Modify the ppp attributes of the tunnel group that will be used so that only chap,ms-chap-v1 and ms-chap v2 are used.Define the pre-shared key under the ipsec attributes of the tunnel group to be used.modify the authentication-server group if you want to use something other than LOCAL.Map the defined address pool to be used by this tunnel group.Map the defined group policy to this tunnel group.Define the general-attributes of the tunnel group that will be used.Either create a new tunnel group or modify the attributes of the existing DefaultRAGroup.configure a dns server to be used by the clients.define the the tunnel protocol to be l2tp-ipsec.Define a local address pool or use a dhcp-server for the adaptive security appliance to allocate IP addresses to the clients for the group policy.Therefore, if a remote user belongs to a tunnel group configured with the authentication eap-proxy or authentication chap commands, and the ASA is configured to use the local database, that user will not be able to connect. EAP and CHAP are performed by proxy authentication servers. **NOTE: The ASA only supports the PPP authentications PAP and Microsoft CHAP, Versions 1 and 2, on the local database. PPP Authentication-PAP, MS-CHAPv1, or MSCHAPv2 (preferred).IPsec phase 2-3DES or AES encryption with MD5 or SHA hash method.IKEv1 phase 1-3DES encryption with SHA1 hash method.The required ASA IKEv1 (ISAKMP) policy settings that allow native VPN clients, integrated with the operating system on an endpoint, to make a VPN connection to the ASA using L2TP over IPsec protocol. To configure the L2TP/IPSec connection on ASA: Select Set VPN Server and enter a descriptive name.Select VPN Name and type in a descriptive name.Select Wireless and Network or Wireless Controls, depending on your version of Android.To configure the L2TP/IPSec connection on the Droid: This section describes the information you need to configure the features described in this document. Licensing Requirements for L2TP over IPsec.ASA supports SHA2 certificate signature support for Microsoft Windows 7 and Android-native VPN clients when using the L2TP/IPsec protocol.Android L2TP/IPsec requires ASA version 8.2.5 or greater, 8.3.2.12 or greater, 8.4.1 or greater.It takes you through all the necessary commands required on the ASA as well as the steps to be taken on the Android device itself.Įnsure that you meet these requirements before you attempt this configuration: This document provides a sample configuration for the native l2tp-IPSEC droid client. No additional client software, such as Cisco VPN client software, is required. An additional benefit is that the only client requirement for VPN access is the use of Windows with Microsoft Dial-Up Networking (DUN). L2TP over IPsec provides the capability to deploy and administer an L2TP VPN solution alongside the IPsec VPN and firewall services in a single platform.The primary benefit of configuring L2TP over IPsec in a remote access scenario is that remote users can access a VPN over a public IP network without a gateway or a dedicated line, which enables remote access from virtually anyplace with POTS. ![]() Please refer to the following document for the latest updated version: ASA and Native L2TP-IPSec Android Client Configuration Example ASA and Native L2TP-IPSec Android Client Configuration Example.
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