look when i installed source i clicked on the startup menu steam runs in and in settings i set my connection to lan/t1 for my cable modem and the game set my rate at 30000 . i went into console and saw it there on its own.
lol kid you probably spelled 3000 wrong. try closing accesory programs in the background. there are a bunch of programs that run in the background minimized even when you close them from the upper right box. They also wont show under Ctrl+Alt+Delete in programs but under processes they will be there under user and if you know the right ones to close your bandwidth should rise.