Reolink connection failed

I have reolink cameras rlc-520a connected to lan2 {gateway 2) of a synology ds418 surveillance station 9 , home assistant running on a pi4 is connected to an other subnet (gateway 1) and so also connected to lan1 of the ds418 (same gateway) in home assistant i can see the live stream to te synology integration, but i cannot connect the reolink cameras with the reolink integration, and so i dont have teh sensors of the camera in home assitant… does somebody has a,possible sollution or is it impossible ?