测试IPV6传输和性能的工具，包含ping,收发数据报测试，封装IP，数据包，隧道技术测试等-IPV6 test transmission and performance tools, including ping, send data reported test, packaging IP data packets, tunnel testing

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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

IPv6隧道代码,isatap实现ipv4与ipv6网络之间的通信-isatap tunnel code,to realize the communication between ipv4 and ipv6 networks