I get a 'Firmware upgrade unsuccessfully. It may result from incorrect image or error transmission. Please check the version of firmware and try again." error trying to update to this. Thoughts? (I already redownloaded/unzipped the file a second time, no improvement)
And backhaul them how?
Plenty of people live in apartments or other places where they can't really cleanly run Cat5/6 cable.
Powerline networking? I thought of that for my parents; put a D-Link powerline wireless access point thingy right next to my mom's desk. Worked nicely enough (her...
Is there any possibility you could be more specific as to which clients have reported problems?
I've had some flakey 5GHz performance (on both this firmware and the previous released one) with an Intel 5100 and a 5300 in the same laptop, and I wonder if it's the laptop having antenna issues...
I would give the RT-AC68U a try. I looked at the reviews of the 68 vs the 56, and got the sense that the 68's 3-antenna design delivered better radio performance with 802.11n clients at a distance than the 56.
I replaced a DIR-825 (which would probably be better than your 615?) with the...