There is also an OpenWRT version: http://wiki.openwrt.org/toh/asus/rt-n56u http://wiki.openwrt.org/toh/asus/rt-n56u But it doesn't seem very well supported sin

There is also an OpenWRT version: http://wiki.openwrt.org/toh/asus/rt-n56u http://wiki.openwrt.org/toh/asus/rt-n56u But it doesn't seem very well supported since 2012.