Configure Ipv6 on Almalinux 9 with Cpanel

nmcli connection modify eth0 ipv6.addresses '[FIRST_IP]/[PREFIX],[OTHER_IP]/[PREFIX]' ipv6.method manual

nmcli connection modify eth0 ipv6.gateway 'fe80::1'

systemctl restart NetworkManager

ref: https://wiki.crowncloud.net/?How_to_Configure_IPv6_Address_on_AlmaLinux_RockyLinux_and_CentOS_using_nmcli