Aruba Networks AirOS v2.3, User Manual

Page: 145 / 254

Configuring Virtual Private Networks 135
Chapter 9
5 Select the authentication protocol. This should match the L2TP protocol list selected if
Enable L2TP
is checked or the PPTP list configured if
Enable PPTP
is checked.
For L2TP :
1 Set the type of
IKE Hash Algorithm
, SHA or MD5 in the IKE Policies page.
2 In case Pre-shared was selected as the IKE Authentication in the IKE Policies page ( as
described in the L2TP IPSec configuration), key in the pre-share key used in the L2TP con-
figuration. NOTE: The two keys should match.
3 Select the Group configuration as per the IKE Policy configuration setting for
Diffie Hel-
man Group
.
4 Select the IPSEC Encryption as per the IKE Policy configuration setting for
Encryption
.
5 Select the IPSEC Hash Algorithm as per the
Algorithm
selected on the IKE Policy page
of IPSEC.
1 Click
Apply
to apply the changes made prior to navigating to another page.
2 The VPN dialer can be downloaded using Captive Portal. To enable this, in the role the
user gets assigned after captive portal, configure the dialer by the name used to identify the
dialer.
Example if my captive portal user gets the guest role after logging on through captive por-
tal and my dialer is called mydialer, configure mydialer as the dialer to be used in the guest
role.