20250406161542-ipv6 local discovery

ping -I wlo1 ff02::1

where ff02::1 is the local multicast address

and then

ip neighbor

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• https://insights.sei.cmu.edu/blog/ping-sweeping-in-ipv6/
• via https://www.reddit.com/r/networking/comments/8g2cbf/is_there_a_way_to_scan_a_local_network_for_the/