DD-WRT路由器设置6to4隧道。 文件列表： * 6to4Setup.sh 设置6to4隧道主程序 * alterDns.sh 修改DNS使用IPv6解析 * radvd.conf 替换默认文件-Setup the 6to4 tunnel for DD-WRT routers. * 6to4Setup.sh main program of tunnel setup * alterDns.sh switch to DNS over IPv6 * radvd.c