64、IPv6配置实验之OverlayTunnel

1、Overlay Tunnel解析

目前成都创新互联已为近1000家的企业提供了网站建设、域名、网页空间、网站运营、企业网站设计、密山网站维护等服务，公司将坚持客户导向、应用为本的策略，正道将秉承"和谐、参与、激情"的文化，与客户和合作伙伴齐心协力一起成长，共同发展。

2、实验拓扑

3、基础配置

R1配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 1::1/64

interface FastEthernet1/0

 ipv6 address 2000:12::1/64

R2配置

ipv6 unicast-routing

interface Loopback0

 ip address 2.2.2.2 255.255.255.0 

interface FastEthernet2/0

 ip address 23.1.1.2 255.255.255.0

ip route 3.3.3.0 255.255.255.0 23.1.1.3

R3配置

ipv6 unicast-routing

interface Loopback0

 ip address 3.3.3.3 255.255.255.0

interface FastEthernet2/0

 ip address 23.1.1.3 255.255.255.0

ip route 2.2.2.0 255.255.255.0 23.1.1.2

R4配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 4::4/64

interface FastEthernet1/0

 ipv6 address 2000:34::4/64

4、配置Overlay Tunnel

R1配置

interface Loopback0

 ipv6 ospf 110 area 0

interface FastEthernet1/0

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 1.1.1.1

R2配置

interface Tunnel2

 ipv6 enable

 ipv6 ospf 110 area 0

 tunnel source 2.2.2.2

 tunnel destination 3.3.3.3

 tunnel mode ipv6ip

interface FastEthernet1/0

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 2.2.2.2

R3配置

interface Tunnel3

 ipv6 enable

 ipv6 ospf 110 area 0

 tunnel source 3.3.3.3

 tunnel destination 2.2.2.2

 tunnel mode ipv6ip

interface FastEthernet1/0

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 3.3.3.3

R4配置

interface Loopback0

 ipv6 ospf 110 area 0

interface FastEthernet1/0

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 4.4.4.4

5、实验测试

此时方法的不足之处在于，当有多个IPv6网络需要互访是，我们需要两两之间都建立Tunnel，工作量将非常大。

新闻标题：64、IPv6配置实验之OverlayTunnel
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