I have a Netgear router and am certain that the problem is not here in my lan. it is the broadband coming in that is the problem. it went down 50 times in 12 hours on one occasion if i remember correctly
Statistics Downstream Upstream
Line Rate 2048 Kbps 256 Kbps
Noise Margin 11.1 dB 20.0 dB
Line Attenuation 49.0 dB 27.0 dB
Output Power -0.4 dBm 17.8 dBm
that was according to my BT voyager 210
on the speed test, I get 1.71 download speed, 129kbs up
1.3ms jitter and 95% quality of service which is abnormally good i must say