PollPortStatus. This is enabled by default at device level, but disabled per port level so as not to induce too much load on the SPectroSERVER. To have a port get polled, you need to have both the device and port's PollPortStatus=True. If this is not still working as desired, then check:
polling interval is not = 0
isManaged = true
Live Pipes. When these are enabled by right clicking on a resolved pipe, SPECTRUM will set ok_to_poll=true on each end port. This will enable polling on those ports. Verify that this is not disabled globally in the Landscape>Configuration view.
WA_link. Can set to ports only, link only, or bothportsandlink. Check to ensure the WA_Segment models are properly resolved over the appropriate end ports
In the VNM Component Detail View> Configuration > Fault Isolation you can set Port Fault Correlation to Disabled, All Connected Ports, or Management Neighbors Only. This covered in depth in the How to Manage Your Network with SPECTRUM document under Configuring for Fault Isolation.