Enable True Gigabit Routing Connectivity
This will increase the through-put of the WAN-LAN connectivity of the router.
This new feature is limited to a few model routers:
DIR-636L, DIR-655 Rev C, DIR-826L, DIR-835, DIR-836L, DIR-855L, DIR-866L
Be aware that when using the True Gigabit Routing Connectivity feature, the Advanced/QoS feature is disabled.
This feature is best used and enabled on ISP service supporting of Gb WAN speeds. Users may need to disable this feature if encountering service speed problems while troubleshooting.