From NeoRouterWiki
How to install NeoRouter on La Fonera+
La Fonera+(FON2201) is a small, cheap and cute wireless device, which comes with the firmware 1.1.x . The hardware spec is as following.
* System-On-Chip Atheros AR2315 / AR5006
* CPU Speed 183 MHz
* Flash size 8 MiB
* RAM 16 MiB
* Wireless Integrated Atheros 802.11b/g
* Ethernet 1x RJ45
* USB No
* Serial Yes
* JTAG No
Since La Fonera 2.0 is not available right now, most foneras who want to install Fonera 2.0 firmware and NeoRouter Zero-Config VPN solution may come cross the same issue. There is a tricky to convert your normal wireless router into a VPN server, but it's not hard actually. Just follow my instructions and you can do it.
1. Preparation
2. Flash La Fonera+ firmware
3. Install NeoRouter server on the La Fonera+
4. Tips
5. Reference links