New midi connection help

I just picked up the Keystation pro ES midi controller. Its got 9 aisghnable midi sliders and 24 assighnable midi knobs that i plan to use with pro tools. The keystation has a midi in and midi out. If i route the midi out of the cotroller and into the 2500 midi in, and then out of the mpc to the computer through my pro tools interface, I wont be able to use the midi sliders with pro tools because of the mpc. But if I go directly to the computer, I wont have my MPC in the loop. How do I get connect all of this?

the mpc should forward the midi messages from ur controller to pro tools.
connect midiout d (for eaxample) to the protoolsinterface and create a midi track on the mpc (midi:1d).
i just tested it by using the native instruments massive demo controlled
with my keyboard which is connected to the mpc.

another possibility is to use a midi patchbay.

So it does forward on the midi data huh? Sweet! thanx