====== Ubuntu - Networking - IPv6 - Cheatsheet ======

===== Find the route decision for a given address =====

<code bash>
ip route get 2a00:1450:4001:820::200e

ip -6 route
route -A inet6 (apt-get install net-tools) # equivalent to netstat -rn -A inet6
netstat -A inet6 -rn
netstat -r
ip -6 route show table 51820
ip -6 neigh
ip -6 neigh show proxy
</code>

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===== DHCPv6 release / renew =====

<code bash>
dhclient -6 -r ens18
dhclient -6 ens18
</code>

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===== Flush IPv6 neighbors cache =====

<code bash>
ip -family inet6 neigh flush any
</code>

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===== Request a router advertisement =====

<code bash>
apt-get install -y ndisc6
rdisc6 eth0
</code>

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===== Perform a Neighbor Solicitation (arp IPv4 equivalent) =====

<code bash>
apt-get install -y ndisc6
ndisc6 2001:db8::42 eth0
</code>

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===== Ping multicast address to have all link-local hosts respond =====

<code bash>
ping ff02::1%eth0
</code>

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===== References =====

https://www.mediawiki.org/wiki/Help:Range_blocks/IPv6

https://menandmice.com/blog/ipv6-reference-multicast