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在Cisco路由器上配置IPv6 Over IPv4 手工隧道

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满天星 发表于 2010-9-5 15:19:05 | 显示全部楼层 |阅读模式
在Cisco路由器上配置IPv6 Over IPv4 手工隧道
     下面我们将以Cisco路由器为例来演示如何在Cisco路由器上配置IPv6 Over IPv4 手工隧道,本次实验采用三台Router,router1.ipv6bbs.cn、router2.ipv6bbs.cn、router3.ipv6bbs.cn均通过IPv4网络互联,运行OSPF协议模拟IPv4 Internet。router1.ipv6bbs.cn、router3.ipv6bbs.cn这二台路由器均为双栈路由器。router1.ipv6bbs.cn、router3.ipv6bbs.cn通过router2.ipv6bbs.cn建立6Over4的手工隧道,连接二边的IPv6网络。实验中我们未在二边的IPv6网络放置PC机,因此各在二台设备上建立一个loopback接口,与隧道一起运行OSPFv3路由协议,验证将二边的IPv6网络通过6Over4 手工隧道进行互联互通。具体的组网图如下所示:
   
实验组网图与IPv4、IPv6地址分配

    各设备的接口IPv4、IPv6地址地址与接口编号请对照下图查看:
   



配置思路与流程说明:

  • 在每台设备上配置IPv4地址并通过ospf路由协议将IPv4网络连通
  • 在第一与第三台路由器上开启IPV6功能:ipv6 unicast-routing
  • 在每台设备上创建OSPFv3进程与loopback接口地址并使能OSPFv3路由协议
  • 建立隧道,并配置隧道模式为6over4手工隧道:tunnel mode ipv6ip
  • 配置6over4手工隧道的源IPv4地址与隧道对端的目的IPv4地址tunnel source    tunnel  destination
  • 配置隧道的IPv6地址并使能OSPFv3路由协议,将二边的IPv6网络通过隧道连通



router1.ipv6bbs.cn的配置步骤:

步骤一:配置IPv4网络互通

router1.ipv6bbs.cn con0 is now available
Press RETURN to get started.
router1.ipv6bbs.cn>enable
router1.ipv6bbs.cn#config t
Enter configuration commands, one per line.  End with CNTL/Z.
router1.ipv6bbs.cn(config)#interface gigabitEthernet 0/0
router1.ipv6bbs.cn(config-if)#ip address 1.2.0.1 255.255.255.0
router1.ipv6bbs.cn(config-if)#no shutdown
router1.ipv6bbs.cn(config-if)#exit
router1.ipv6bbs.cn(config)#
*Sep  5 11:43:19.907: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Sep  5 11:43:20.907: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
router1.ipv6bbs.cn(config)#router ospf 100
router1.ipv6bbs.cn(config-router)#router-id 1.1.1.1
router1.ipv6bbs.cn(config-router)#network  1.2.0.0  0.0.0.255 area 0
router1.ipv6bbs.cn(config-router)#exit
router1.ipv6bbs.cn(config)#

步骤二:配置IPv6隧道与IPv6网络互通
router1.ipv6bbs.cn(config)#
router1.ipv6bbs.cn(config)#ipv6 unicast-routing
router1.ipv6bbs.cn(config)#
router1.ipv6bbs.cn(config)#ipv6 router ospf 100
router1.ipv6bbs.cn(config-rtr)#router-id  1.1.1.1
router1.ipv6bbs.cn(config-rtr)#exit
router1.ipv6bbs.cn(config)#
router1.ipv6bbs.cn(config)#interface  loopback  1
router1.ipv6bbs.cn(config-if)#
*Sep  5 11:50:24.455: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
router1.ipv6bbs.cn(config-if)#ipv6 enable
router1.ipv6bbs.cn(config-if)#ipv6 address 1::1/128
router1.ipv6bbs.cn(config-if)#ipv6 ospf 100 area 0
router1.ipv6bbs.cn(config-if)#exit
router1.ipv6bbs.cn(config)#
router1.ipv6bbs.cn(config)#interface  tunnel  0
router1.ipv6bbs.cn(config-if)#tunnel  mode   ipv6ip
router1.ipv6bbs.cn(config-if)#tunnel  source  1.2.0.1
router1.ipv6bbs.cn(config-if)#tunnel  destination  2.3.0.2
router1.ipv6bbs.cn(config-if)#
*Sep  5 11:58:26.307: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up
router1.ipv6bbs.cn(config-if)#ipv6 enable
router1.ipv6bbs.cn(config-if)#ipv6 address  1003::1/64
router1.ipv6bbs.cn(config-if)#ipv6 ospf  100 area 0
router1.ipv6bbs.cn(config-if)#exit
router1.ipv6bbs.cn(config)#exit
router1.ipv6bbs.cn#



router2.ipv6bbs.cn的配置步骤:

router2.ipv6bbs.cn为纯IPv4网络,因此只需配置IPv4网络互通即可

router2.ipv6bbs.cn con0 is now available
Press RETURN to get started.
router2.ipv6bbs.cn>en
router2.ipv6bbs.cn#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
router2.ipv6bbs.cn(config)#interface gigabitEthernet  0/0
router2.ipv6bbs.cn(config-if)#ip address  1.2.0.2 255.255.255.0
router2.ipv6bbs.cn(config-if)#no shutdown
router2.ipv6bbs.cn(config-if)#exit
router2.ipv6bbs.cn(config)#
*Sep  5 11:46:02.707: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Sep  5 11:46:03.707: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
router2.ipv6bbs.cn(config)#
router2.ipv6bbs.cn(config)#interface  gigabitEthernet 1/0
router2.ipv6bbs.cn(config-if)#ip address  2.3.0.1 255.255.255.0
router2.ipv6bbs.cn(config-if)#no shutdown
router2.ipv6bbs.cn(config-if)#
*Sep  5 11:46:32.599: %LINK-3-UPDOWN: Interface GigabitEthernet1/0, changed state to up
*Sep  5 11:46:33.599: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0, changed state to up
router2.ipv6bbs.cn(config-if)#exit
router2.ipv6bbs.cn(config)#router ospf 100
router2.ipv6bbs.cn(config-router)#router-id 2.2.2.2
router2.ipv6bbs.cn(config-router)#
router2.ipv6bbs.cn(config-router)#network 1.2.0.0 0.0.0.255 area 0
router2.ipv6bbs.cn(config-router)#
*Sep  5 11:47:42.675: %OSPF-5-ADJCHG: Process 100, Nbr 1.1.1.1 on GigabitEthernet0/0 from LOADING to FULL, Loading Done
router2.ipv6bbs.cn(config-router)#
router2.ipv6bbs.cn(config-router)#network 2.3.0.0 0.0.0.255 area 0
router2.ipv6bbs.cn(config-router)#



router3.ipv6bbs.cn的配置步骤:

步骤一:配置IPv4网络互通
router3.ipv6bbs.cn con0 is now available
Press RETURN to get started.
router3.ipv6bbs.cn>en
router3.ipv6bbs.cn#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
router3.ipv6bbs.cn(config)#interface  gigabitEthernet 0/0
router3.ipv6bbs.cn(config-if)#ip address  2.3.0.2 255.255.255.0
router3.ipv6bbs.cn(config-if)#no shutdown
router3.ipv6bbs.cn(config-if)#
*Sep  5 11:47:40.159: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Sep  5 11:47:41.159: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
router3.ipv6bbs.cn(config-if)#exit
router3.ipv6bbs.cn(config)#router ospf 100
router3.ipv6bbs.cn(config-router)#router-id 3.3.3.3
router3.ipv6bbs.cn(config-router)#network 2.3.0.0 0.0.0.255 area 0
router3.ipv6bbs.cn(config-router)#
*Sep  5 11:48:09.379: %OSPF-5-ADJCHG: Process 100, Nbr 2.2.2.2 on GigabitEthernet0/0 from LOADING to FULL, Loading Done
router3.ipv6bbs.cn(config-router)#exit

步骤二:配置IPv6隧道与IPv6网络互通

router3.ipv6bbs.cn(config)#
router3.ipv6bbs.cn(config)#ipv6 unicast-routing
router3.ipv6bbs.cn(config)#
router3.ipv6bbs.cn(config)#ipv6 router ospf 100
router3.ipv6bbs.cn(config-rtr)#router-id  3.3.3.3
router3.ipv6bbs.cn(config-rtr)#exit
router3.ipv6bbs.cn(config)#interface  loopback  1
router3.ipv6bbs.cn(config-if)#
*Sep  5 11:58:27.947: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
router3.ipv6bbs.cn(config-if)#ipv6  enable
router3.ipv6bbs.cn(config-if)#ipv6  address  3::3/128
router3.ipv6bbs.cn(config-if)#ipv6 ospf 100 area 0
router3.ipv6bbs.cn(config-if)#exit
router3.ipv6bbs.cn(config)#interface  tunnel  0
router3.ipv6bbs.cn(config-if)#tunnel  mode  ipv6ip
router3.ipv6bbs.cn(config-if)#tunnel  source  2.3.0.2
router3.ipv6bbs.cn(config-if)#tunnel  destination 1.2.0.1
router3.ipv6bbs.cn(config-if)#
*Sep  5 11:59:16.051: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up
router3.ipv6bbs.cn(config-if)#ipv6 enable
router3.ipv6bbs.cn(config-if)#ipv6 address 1003::2/64
router3.ipv6bbs.cn(config-if)#ipv6 ospf 100 area 0
router3.ipv6bbs.cn(config-if)#
*Sep  5 11:59:39.431: %OSPFv3-5-ADJCHG: Process 100, Nbr 1.1.1.1 on Tunnel0 from LOADING to FULL, Loading Done
router3.ipv6bbs.cn(config-if)#exit
router3.ipv6bbs.cn(config)#exit
router3.ipv6bbs.cn#


查看各设备OSPF与OSPFv3邻居、IPv6路由表

所有设备之间的IPv4、IPv6路由协议已按照组网图配置完毕,我们可以在router1.ipv6bbs.cn上查看OSPF、OSPFv3的邻居
并查看IPv6路由表,隧道接口的IPv6地址信息。
并ping  router3.ipv6bbs.cn上面的loopback接口ipv6地址,均能正常通讯

router1.ipv6bbs.cn#
*Sep  5 12:00:36.607: %OSPFv3-5-ADJCHG: Process 100, Nbr 3.3.3.3 on Tunnel0 from LOADING to FULL, Loading Done
router1.ipv6bbs.cn#
router1.ipv6bbs.cn#show ip ospf neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
2.2.2.2           1   FULL/BDR        00:00:36    1.2.0.2         GigabitEthernet0/0
router1.ipv6bbs.cn#show ipv6 ospf  neighbor

Neighbor ID     Pri   State           Dead Time   Interface ID    Interface
3.3.3.3           0   FULL/  -        00:00:33    7               Tunnel0
router1.ipv6bbs.cn#show ipv6 route
IPv6 Routing Table - default - 5 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, M - MIPv6, R - RIP, I1 - ISIS L1
       I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
       EX - EIGRP external, ND - Neighbor Discovery
       O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
       ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
LC  1::1/128 [0/0]
     via Loopback1, receive
O   3::3/128 [110/1000]
     via FE80::203:2, Tunnel0
C   1003::/64 [0/0]
     via Tunnel0, directly connected
L   1003::1/128 [0/0]
     via Tunnel0, receive
L   FF00::/8 [0/0]
     via Null0, receive
router1.ipv6bbs.cn#
router1.ipv6bbs.cn#show ipv6 interface  tunnel  0
Tunnel0 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::102:1
  No Virtual link-local address(es):
  Global unicast address(es):
    1003::1, subnet is 1003::/64
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::5
    FF02::1:FF00:1
    FF02::1:FF02:1
  MTU is 1480 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  Hosts use stateless autoconfig for addresses.
router1.ipv6bbs.cn#
router1.ipv6bbs.cn#traceroute  ipv6 3::3

Type escape sequence to abort.
Tracing the route to 3::3

  1 1003::2 148 msec 144 msec 188 msec
router1.ipv6bbs.cn#
router1.ipv6bbs.cn#ping ipv6 1003::2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1003::2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 140/176/208 ms
router1.ipv6bbs.cn#ping ipv6 3::3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3::3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 160/177/196 ms
router1.ipv6bbs.cn#
router1.ipv6bbs.cn#


查看router2.ipv6bbs.cn上面的OSPF邻居:

router2.ipv6bbs.cn#show ip ospf  neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
3.3.3.3           1   FULL/BDR        00:00:31    2.3.0.2         GigabitEthernet1/0
1.1.1.1           1   FULL/DR         00:00:31    1.2.0.1         GigabitEthernet0/0
router2.ipv6bbs.cn#


查看router3.ipv6bbs.cn上面的的OSPF、OSPFv3、IPv6路由表、Tunnel接口IPv6地址信息:

router3.ipv6bbs.cn#show  ip ospf  neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
2.2.2.2           1   FULL/DR         00:00:30    2.3.0.1         GigabitEthernet0/0
router3.ipv6bbs.cn#show ipv6 ospf  neighbor

Neighbor ID     Pri   State           Dead Time   Interface ID    Interface
1.1.1.1           0   FULL/  -        00:00:30    7               Tunnel0
router3.ipv6bbs.cn#
router3.ipv6bbs.cn#show ipv6 route
IPv6 Routing Table - default - 5 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, M - MIPv6, R - RIP, I1 - ISIS L1
       I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
       EX - EIGRP external, ND - Neighbor Discovery
       O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
       ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
O   1::1/128 [110/1000]
     via FE80::102:1, Tunnel0
LC  3::3/128 [0/0]
     via Loopback1, receive
C   1003::/64 [0/0]
     via Tunnel0, directly connected
L   1003::2/128 [0/0]
     via Tunnel0, receive
L   FF00::/8 [0/0]
     via Null0, receive
router3.ipv6bbs.cn#ping ipv6 1::1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 136/172/216 ms
router3.ipv6bbs.cn#show ipv6 interface  tunnel  0
Tunnel0 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::203:2
  No Virtual link-local address(es):
  Global unicast address(es):
    1003::2, subnet is 1003::/64
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::5
    FF02::1:FF00:2
    FF02::1:FF03:2
  MTU is 1480 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  Hosts use stateless autoconfig for addresses.
router3.ipv6bbs.cn#

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vjer 发表于 2013-7-3 17:43:18 | 显示全部楼层
感谢楼主分享,下去做下实验
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