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IPv4向IPv6的过渡不是一次性的,而是逐步地分层次地。在过渡时期,为了保证IPv4和IPv6能够共存、互通,人们发明了一些IPv4/IPv6的互通技术。

本实验以6to4技术为例,阐述如何配置IPv6过渡技术。

配置参考

R1

#
sysname R1
#
ipv6#
interface GigabitEthernet0/0/1ip address 200.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/2ipv6 enableipv6 address 2002:C801:101::FFFF/64
#
interface Tunnel0/0/0ipv6 enableipv6 address auto link-localtunnel-protocol ipv6-ipv4 6to4source 200.1.1.1
#
ip route-static 0.0.0.0 0.0.0.0 200.1.1.2
#
ipv6 route-static 2002:C802:202:: 64 Tunnel0/0/0

R2

#
sysname R2
#
ipv6
#
interface GigabitEthernet0/0/1ipv6 enableipv6 address 2002:C802:202::FFFF/64
#
interface GigabitEthernet0/0/2ip address 200.2.2.2 255.255.255.0
#
interface Tunnel0/0/0ipv6 enableipv6 address auto link-localtunnel-protocol ipv6-ipv4 6to4source 200.2.2.2
#
ip route-static 0.0.0.0 0.0.0.0 200.2.2.1
#
ipv6 route-static 2002:C801:101:: 64 Tunnel0/0/0

Internet

#
sysname internet
#
ipv6
#
interface GigabitEthernet0/0/1ipv6 enableip address 200.1.1.2 255.255.255.0ipv6 address 2002:C801:202::FFFF/64
#
interface GigabitEthernet0/0/2ip address 200.2.2.1 255.255.255.0

PC

PC1>ipconfig
Link local IPv6 address...........: fe80::5689:98ff:fe7d:4b9f
IPv6 address......................: 2002:c801:101::1 / 64
IPv6 gateway......................: 2002:c801:101::ffff

PC2>ipconfig
Link local IPv6 address...........: fe80::5689:98ff:fe8e:67e1
IPv6 address......................: 2002:c802:202::1 / 64
IPv6 gateway......................: 2002:c802:202::ffff