编辑 /etc/sysctl.conf
nano /etc/sysctl.conf
填入以下内容
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
修改保存后重启
reboot