1.修改配置文件###
vim /etc/network/interfaces
2.添加以下內容###
auto he-ipv6
iface he-ipv6 inet6 v4tunnel
address 2001:470:c:1af0::2
netmask 64
endpoint 66.220.18.42
local 108.174.250.156
ttl 255
gateway 2001:470:c:1af0::1
3.重啟網絡###
systemctl restart networking