I've been on 2mbps plan since last 6 months n i've never got more than 1.76 mbps of speed...I checked all the values...SNR Margin and Line Attenuation..They are good enough...the ds/us rate is 2048/256 kbps..Where is the problem? can i rectify it myself...P.S :- I've also tried GDMT mode..the results are same