I have a DIR-655, B1 with 2.11NA firmware. My ISP connection is via wireless antenna radio on my roof pointed line of sight to the ISP relay tower. From the rooftop antenna I have a CAT5 running down to a POE power injector with a LAN port. If I cable connect my computer directly to the LAN port on the POE I get 11Mbps/3Mbps (exactly what I'm serviced for)...when I connect the 655 and cable connect to the LAN ports on the 655 I get 2-3Mbps/3Mbps. Connecting wirelessly I get 6Mbps/2-3Mbps.
The other strange thing is I've connected ONLY a Netgear FS105 switch to the POE and I also then get 2-3Mbps/3Mbps.
I'll take any suggestions. Thank you!