从PV4到|PV6的过渡技术 华宁 nhuaabiigroup. com cTO. BIl Group
1 从IPv4到IPv6的过渡技术 华宁 nhua@biigroup.com CTO, BII Group
过渡技术的分类 双协议栈( Dual stack) 隧道( Tunnel) 协议翻译( Protocol translation) BIl Group, China IPv6 Summit 2003 Hua ning B Bll Group
BII Group, China IPv6 Summit 2003 Hua Ning 2 过渡技术的分类 • 双协议栈(Dual Stack) • 隧道(Tunnel) • 协议翻译(Protocol Translation)
双协议栈 Application TCP/UDP IPv4IPv6 Driver BIl Group, China IPv6 Summit 2003 Hua ning B Bll Group
BII Group, China IPv6 Summit 2003 Hua Ning 3 双协议栈 Driver IPv4 IPv6 Application TCP/UDP
双协议栈(举例 interface Ethernet/1 ip address202.204.12226255.255255240 half-duplex ipv6 address 3FFE: 81B3: 1: 1: 1/64 Cisco lOS 12.2 (15T ipV6 enable ipv6 nd ra- interval 30 C: Documents and Settingslhnpipconfig Windows IP Configuration Ethernet adapter local connection Connection-specific DNS Suffix IP Address 202.204.12.230 Subnet mask:255.255255.240 WindowXP+sP1 IP Address ,,:3ffe:81b3:1:1:40fb:a58:41e6:cf0d P Address.,,,,,:3ffe:81b3:1:1:209:6bf;fee0:3240 IP Address......: fe80 209: 6bff: fee0: 3240%4 Default Gateway 202.204.12.226 fe80:230:94f:fee0:4ba2%4 B Bll Group
BII Group, China IPv6 Summit 2003 Hua Ning 4 双协议栈(举例) interface Ethernet0/1 ip address 202.204.12.226 255.255.255.240 half-duplex ipv6 address 3FFE:81B3:1:1::1/64 ipv6 enable ipv6 nd ra-interval 30 ! Cisco IOS 12.2(15)T C:\Documents and Settings\hn>ipconfig Windows IP Configuration Ethernet adapter local connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 202.204.12.230 Subnet Mask . . . . . . . . . . : 255.255.255.240 IP Address. . . . . . . . . . . . : 3ffe:81b3:1:1:40fb:a58:41e6:cf0d IP Address. . . . . . . . . . . . : 3ffe:81b3:1:1:209:6bff:fee0:3240 IP Address. . . . . . . . . . . . : fe80::209:6bff:fee0:3240%4 Default Gateway . . . . . . . : 202.204.12.226 fe80::230:94ff:fee0:4ba2%4 WindowXP+SP1
隧道(Tune) 手动配置隧道 Configured tunnel) v6 over v4. v4 over v6. v4 over v4. v6 over v6 GRE tunnel 自动隧道( Automatic tunnel) 将IPV4地址嵌入在IPv6地址中,利用这个 IP4地址来决定隧道的源地址和目的地址 6to4,6oVer4, ISATAP等 BIl Group, China IPv6 Summit 2003 Hua ning B Bll Group
BII Group, China IPv6 Summit 2003 Hua Ning 5 隧道(Tunnel) • 手动配置隧道(Configured tunnel) – v6 over v4, v4 over v6, v4 over v4, v6 over v6 – GRE tunnel • 自动隧道(Automatic Tunnel) – 将IPv4地址嵌入在IPv6地址中，利用这个 IPv4地址来决定隧道的源地址和目的地址 – 6to4, 6over4, ISATAP等