MR MAC addresses and IPs don't usually show up in the dashboard for L2 networks but do on L3 networks being based on a different client tracking method (option).
Client-Tracking Options
Note: The following ports don't support Client Tracking features on MS390 & C9300/L/X-M.
1. Ports with supported max speeds 25G, 40G, 100G.
2. Link Aggregation ports
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