r1r5r4mgre为7.0网段
r1r2r3 6.0网段
配置公网与私网ip
配置缺省路由
制作r1r2r3星型拓扑
创建隧道,定义封装
ri为中心
[r1]int t 0/0/0
[r1-Tunnel0/0/0]ip address 192.168.6.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre p2mp
[r1-Tunnel0/0/0]source 16.0.0.1
[r1-Tunnel0/0/0]nhrp network-id 100
[r1-Tunnel0/0/0]nhrp enty multicast dynamic
制作r1r4r5mgre
[r1]int t 0/0/1
[r1-Tunnel0/0/1]ip address 192.168.7.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre p2mp
[r1-Tunnel0/0/0]source 56.0.0.1
[r1-Tunnel0/0/0]nhrp network-id 100
[r1-Tunnel0/0/0]nhrp enty multicast dynamic
软件出问题了,做不了了