The Network Media pages can be used to check the multicast IPs of the media ports.

Operation (using HOME)

Open the Network Media branch and select a port (e.g. QSFP 1). There is one sub-page for each active port.

Network Media → <Port>

The Multicast sub-pages can be used to check the multicast IPs of the media port.

The Forward Error Correction sub-page includes some tools to monitor the error correction.