Astrill Setup Manual:Getting started with ASUS Merlin firmware for routers
Install Astrill Router Applet directly onto ASUS Merlin firmware (ASUSWRT-Merlin firmware) routers.
ASUS Merlin Supported Routers: Asus RT-N16, Asus RT-N66U and Asus RT-AC66U
ASUS Routers Firmware:
http://support.asus.com/Download.aspx?SLanguage=en&m=rt-n16&p=11&os=8
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-N66U (VER.B1)
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-AC66U
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-N66R
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-AC66R
Note: if you have an RT-AC66R or RT-N66R, these routers are exactly the same as the 'U' versions. The only difference is these are sold by large retailers such as Best Buy. You can freely flash Asuswrt-Merlin on these two routers as well.
MEMBERS > VPN Services > Router Set up
https://members.astrill.com/router-setup.php
Select AsusWRT (Merlin) for firmware, verify your router IP address and then click on Install button.
Read more on our blog:
http://blog.astrill.com/index.php/2013/05/02/astrill-router-applet-v-2-8-2-released/