1、Dual stack解析

2、实验拓扑

3、配置Dual Stack

R1配置

interface FastEthernet1/0

 ip address 12.1.1.1 255.255.255.0

 ipv6 address 2000:12::1/64

R2配置

interface FastEthernet1/0

 ip address 12.1.1.2 255.255.255.0

 ipv6 address 2000:12::2/64

4、实验测试