I tried disabling nat acceleration and it worked. However i found out it severely reduces the throughput of the router, it got super slow. So that wasn't a viable fix for me. I was running latest merlin firmware for my rt-ac66u router, and i also tried both the A and L builds of John's fork without luck.
Asuswrt is the name of the firmware developed by Asus for use in all their recent routers. Asuswrt-Merlin is an alternative, custom version of that firmware. Developped by Eric Sauvageau, its primary This means Xwrt-Vortex retains full support for NAT acceleration (sometimes referred to...
Double Trouble: How to Deal with Double NAT on Your Network. By Joe Moran. If something is good, then doubling it usually makes it even better (Double Stuf Oreos are one example that comes to mind). But when it comes to Network Address Translation , the mainstay of most home networks, double doesn't necessarily equal better.
What are the chances of hardware NAT acceleration being implemented (at all or anytime soon) in DD-WRT? From several tests I've done with WNDR3700v1, RT-AC66U & RT-N66U I've come to the conclusion that the only firmware which can deliver (and not loose any WAN speed) is Merlin/ASUS builds.