pve配置ipv6

vi /etc/network/interfaces

iface vmbr0 inet6 dhcp
        accept_ra 2
        request_prefix 1

vi /etc/sysctl.conf

net.ipv6.conf.all.accept_ra=2
net.ipv6.conf.default.accept_ra=2
net.ipv6.conf.vmbr0.accept_ra=2
net.ipv6.conf.all.autoconf=1
net.ipv6.conf.default.autoconf=1
net.ipv6.conf.vmbr0.autoconf=1