I recently upgraded my network with an ER605 router and SG3428MP v6.20 managed switch. I did this primarily so I could isolate computers in separate VLAN's. Since I did this set up I can no longer get

I have an OC200 controller and an ER605 router. I would like to set up a rule to allow any devices in VLAN 10 to access a specific device in VLAN 20 over a specific port. Can someone give me an exampl