首页 > 学院 > 网络通信 > 正文

使用Cisco路由器实现IPV6 Tunnel

2019-11-05 00:41:20
字体:
来源:转载
供稿:网友

  说明:此案例使用两台cisco2500路由器,IOS (tm) 2500 Software (C2500-IS-L), Version 12.2(15)T9,利用ip v4主干加ipv6的6to4 tunnel结合ipv6静态路由,就能实现两个远程ipv6子网的互连互通.
  
  拓扑说明:使用两台路由器的e0接口互连仿真ipv4的主干,使用loopback0仿真两个远程的ipv6子网,6to4tunnel必须在所有的ipv6子网使用标准的ipv6地址前缀(2002::/16)进行编址.
  
  在两个端点建立tunnel时,必须使用本地路由器的ipv4接口的ip地址结合2002前缀来对本路由器的tunnel接口做编址.例如R1的e0:192.168.1.1,则R1的tunnel接口的ipv6地址一定要包含此地址的16进制格式,即2002:C0A8:101:…,其中C0A8:101即为e0接口ip地址的16进制.
  
  配置和测试结果如下:
  R1#sh run
  hostname R1
  ipv6 unicast-routing
  interface Loopback0
    no ip address
    ipv6 address 2002:C0A8:101:1::1/64
  interface Tunnel0
    no ip address
    no ip redirects
    ipv6 address 2002:C0A8:101:13::1/64
    tunnel source Ethernet0
    tunnel mode ipv6ip 6to4
  interface Ethernet0
    ip address 192.168.1.1 255.255.255.0
  ipv6 route 2002::/16 Tunnel0
  
  R1#sh ipv6 int brief
  Ethernet0        [up/up]
    unassigned
  Loopback0        [up/up]
    FE80::210:7BFF:FE36:491
    2002:C0A8:101:1::1
  Tunnel0         [up/up]
    FE80::C0A8:101
    2002:C0A8:101:13::1
  Virtual-access1     [up/up]
    unassigned
  
  R1#sh ipv6 route
  IPv6 Routing Table - 8 entries
  Codes: C - Connected, L - Local, S - Static, R -
  
  RIP, B - BGP
    U - Per-user Static route
    I1 - ISIS L1, I2 - ISIS L2, IA - ISIS
  
  interarea
    O - OSPF intra, OI - OSPF inter, OE1 - OSPF
  
  ext 1, OE2 - OSPF ext 2
  S 2002::/16 [1/0]
    via ::, Tunnel0
  C 2002:C0A8:101:1::/64 [0/0]
    via ::, Loopback0
  L 2002:C0A8:101:1::1/128 [0/0]
    via ::, Loopback0
  C 2002:C0A8:101:13::/64 [0/0]
    via ::, Tunnel0
  L 2002:C0A8:101:13::1/128 [0/0]
    via ::, Tunnel0
  L FE80::/10 [0/0]
    via ::, Null0
  L FF00::/8 [0/0]
    via ::, Null0
  
  r3#sh run
  hostname r3
  ipv6 unicast-routing
  interface Loopback0
   no ip address
   ipv6 address 2002:C0A8:103:3::3/64
  interface Tunnel0
   no ip address
   no ip redirects
   ipv6 address 2002:C0A8:103:13::3/64
   tunnel source Ethernet0
   tunnel mode ipv6ip 6to4
  
  interface Ethernet0
   ip address 192.168.1.3 255.255.255.0
  
  ipv6 route 2002::/16 Tunnel0
  
  r3#sh ipv6 int brief
  Ethernet0      [up/up]
    unassigned
  Loopback0      [up/up]
    FE80::200:CFF:FE0A:26BC
    2002:C0A8:103:3::3
  Serial0       [administratively
  
  down/down]
    unassigned
  Serial1       [administratively
  
  down/down]
    unassigned
  Tunnel0       [up/up]
    FE80::C0A8:103
    2002:C0A8:103:13::3
  Virtual-Access1   [up/up]
    unassigned
  r3#sh ipv6 route
  IPv6 Routing Table - 7 entries
  Codes: C - Connected, L - Local, S - Static, R -
  
  RIP, B - BGP
    U - Per-user Static route
    I1 - ISIS L1, I2 - ISIS L2, IA - ISIS
  
  interarea
    O - OSPF intra, OI - OSPF inter, OE1 - OSPF
  
  ext 1, OE2 - OSPF ext 2
  S 2002::/16 [1/0]
    via ::, Tunnel0
  C 2002:C0A8:103:3::/64 [0/0]
    via : :, Loopback0
  L 2002:C0A8:103:3::3/128 [0/0]
    via ::, Loopback0
  C 2002:C0A8:103:13::/64 [0/0]
    via ::, Tunnel0
  L 2002:C0A8:103:13::3/128 [0/0]
    via ::, Tunnel0
  L FE80::/10 [0/0]
    via ::, Null0
  L FF00::/8 [0/0]
    via ::, Null0
  
  在R1上测试直连的ipv6 tunnel接口:
  R1#ping ipv6 2002:c0a8:103:13::3
  Type escape sequence to abort.
  Sending 5, 100-byte ICMP Echos to
  
  2002:C0A8:103:13::3, timeout is 2 seconds:
  !!!!!
  SUCcess rate is 100 percent (5/5), round-trip
  
  min/avg/max = 8/10/16 ms
  
  在R1上测试到R3的ipv6 loopback0接口(非直连):
  R1#ping ipv6 2002:c0a8:103:3::3
  Type escape sequence to abort.
  Sending 5, 100-byte ICMP Echos to
  
  2002:C0A8:103:3::3, timeout is 2 seconds:
  !!!!!
  Success rate is 100 percent (5/5), round-trip
  
  min/avg/max = 8/12/16 ms


发表评论 共有条评论
用户名: 密码:
验证码: 匿名发表