Summary: Stay away! This is probably the most unreliable router I have ever purchased. It has loads of bugs in its firmware, failover does not work reliably. At one point I had to shut failover off because it was causing so many problems.
Summary: Very useful little box for a good price. I have somewhat unreliable internet, being very rural, and so I have a backup provider in case it goes down. This does its job very well. The only complaint I have is that it needs to be rebooted far too often.
If I had a choice to buy it again I would. FIXED VPN issue in Firmware.
Larry B, Amazon
16 August 2015
Summary: When I bought this a year ago it had firmware 1.0.3 rel 64661. there was issues with VPN and IP Sec. I recently updated the firmware to 1.1.0 Build 20150416 Rel.35252 and tested it again. the bug fix has resolved the issue with the VPN.
Summary: In order for stuff such as vpn to work with any dual wan scenario you MUST use a dynamic ip / dns service such as dyn dns. Wan 1 is ip 22.214.171.124 Wan 2 is ip 126.96.36.199 You activate the dynamic dns service in the router and then either us a dyn alias such as myname.dyndns.org or your own cname record such...