Make IPv6 addresses predictable while retaining benefits of IPv6 SLAAC
/etc/network/interfaces.d/10-token
iface eth0 inet6 manual
accept_ra 2
autoconf 1
up ip token set ::80 dev $IFACE
/etc/netplan/60-iptoken.yaml
network:
version: 2
ethernets:
eth0:
dhcp4: true
ipv6-address-token: "::80"/etc/NetworkManager/system-connections/<connectionname>.nmconnection
[connection]
interface-name=eth0
...
[ipv6]
addr-gen-mode=eui64
method=auto
token=::80TBD