A compressed question !!!!

[jeam25]

Ok!
Here i go again!

When i use an external compressor(Blue max)(exelent!) in pro tools the return signal is really hot but in the good way and i saw that i
can really push the output of the comp.
And the input fader don't clip.And the dynamics still there clearly good.

But when i make the same internally with the digidesign compressor if i push the output
gain there is the clip adn the dynamics fly away.There is something that i made wrong?
Did the plugin is not supossed to work like
the real one?

I have tried a lot of compressor settings.
Please Help with some tips .

Other question is my mixing drum.
Ok i use 7 microphones to rec the drums.
When i rec all.I made an stereo auxiliary track
and bus all the drum tracks to this aux track
to make the compression for the drum.

Thanks!