Solving a issue with USB IAD on NXP LPCxpresso 54S018M

Need an issue solved. I have a mcuexpresso project, i am attempting to run USB IAD , usb1 device : rndis device, usb2 device : usb vcom. now the usb vcom communicates properly and i manage to make windows identify the rndis device, now the problem is data does not flow to the rndis, only the vcom .

I need people will

- MCUExpresso IDE knowledge
- USB Knoledge
- NXP LPCxpresso 54S018M development board

and able to fix this.