Veetle birate

Hello can some on help me with veetle, my birate is wrong evry time

When i put this #std{access=http, mux=asf, dst=127.0.0.1:1234}

Its to much cuz its more then 2mb and my connection upload is 1.2m

so i try with this codes and my birate is evry time 180 220 kgbps and picture is rly bad

#transcode{vb=900, vcodec=h264, venc=x264{vbv-maxrate=2000, vbv-bufsize=4000, bpyramid=none, weightp=0}, acodec=mp3, ab=96, channels=2, threads=2}:duplicate{dst=standard{access=http, mux=asf, dst=localhost:1234}}


#transcode{soverlay, vb=700, vcodec=h264, venc=x264{bpyramid=none, weightp=0}, acodec=mp3, ab=96, channels=2, threads=2}:duplicate{dst=standard{access=http, mux=asf, dst=localhost:1234}}


#transcode{soverlay, vb=700, vcodec=h264, venc=x264{bpyramid=none, weightp=0}, acodec=mp3, ab=96, channels=2, threads=2, sub-track=0}:duplicate{dst=standard{access=http, mux=asf, dst=localhost:1234}}


So where is problem why i cant use example 1mb birate thx.