Find your IPv6 and find other hosts
ip -6 addr show dev eth0
OR
ifconfig eth0 | grep "inet6"
Use metasploit:
auxiliary/scanner/discovery/ipv6_neighbor_router_advertisement
Use linux utility:
sudo radvdump
Using atk6-dump_router6:
atk6-dump_router6 eth0
Wireshark Router Solicitation:
``icmpv6.type==133`
Wireshark Router advertisement:
icmpv6.type==134