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HCIE - 数通｜MPLS虚拟专用网跨域实验_asbr设备

作者：繁依Fanyi0 | 2024-03-08 01:32:31

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asbr设备

目录

一、前言

二、实验拓扑

三、实验需求

四、实验配置

（一）PE设备

① R2配置

② R7配置

③ R10配置

④ R11配置

（二）RR设备

① R3配置

② R6配置

（三）ASBR设备

① R4配置

② R5配置

五、实验效果

① R1到R8流量路径

② R9到R12流量路径

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一、前言

        该实验是对MPLS虚拟专用网跨域的一次应用，通过该实验可以掌握相应的MPLS虚拟专用网跨域的有关配置，由于时间比较仓促，实验配置部分只说明设备的有关配置，不再按步骤进行说明，有关原理知识，可以参考前面的博文 MPLS虚拟专用网跨域（一）以及MPLS虚拟专用网跨域（二）。

二、实验拓扑

三、实验需求

        ① AR3和AR6作为图中RR设备、AR2、AR9、AR7、AR10是PE设备；

        ② 通过MPLS VPN跨域option C1将AR1和AR8完成通信，AR11和AR12之间完成通信；

        ③ 各设备之间互访为最优路径。 

四、实验配置

（一）PE设备

① R2配置如下

  1. ip vpn-instance CE1
  2.  ipv4-family
  3.   route-distinguisher 2:2
  4.   vpn-target 100:1 export-extcommunity
  5.   vpn-target 100:1 import-extcommunity
  6. #
  7. mpls lsr-id 2.2.2.2
  8. mpls
  9. #
  10. mpls ldp
  11. #
  12. interface GigabitEthernet0/0/0
  13.  ip binding vpn-instance CE1
  14.  ip address 12.1.1.2 255.255.255.0 
  15. #
  16. interface GigabitEthernet0/0/1
  17.  ip address 23.1.1.2 255.255.255.0 
  18.  ospf enable 1 area 0.0.0.0
  19.  mpls
  20.  mpls ldp
  21. #
  22. interface LoopBack1
  23.  ip address 2.2.2.2 255.255.255.255 
  24.  ospf enable 1 area 0.0.0.0
  25. #
  26. bgp 200
  27.  peer 3.3.3.3 as-number 200 
  28.  peer 3.3.3.3 connect-interface LoopBack1
  29.  #
  30.  ipv4-family unicast
  31.   undo synchronization
  32.   peer 3.3.3.3 enable
  33.   peer 3.3.3.3 label-route-capability
  34.  # 
  35.  ipv4-family vpnv4
  36.   policy vpn-target
  37.   peer 3.3.3.3 enable
  38.  #
  39.  ipv4-family vpn-instance CE1 
  40.   peer 12.1.1.1 as-number 100 
  41. #
  42. ospf 1 
  43.  area 0.0.0.0

② R7配置如下

  1. ip vpn-instance CE2
  2.  ipv4-family
  3.   route-distinguisher 7:7
  4.   vpn-target 100:1 export-extcommunity
  5.   vpn-target 100:1 import-extcommunity
  6. #
  7. mpls lsr-id 7.7.7.7
  8. mpls
  9. #
  10. mpls ldp
  11. #
  12. interface GigabitEthernet0/0/0
  13.  ip address 67.1.1.7 255.255.255.0 
  14.  ospf enable 1 area 0.0.0.0
  15.  mpls
  16.  mpls ldp
  17. #
  18. interface GigabitEthernet0/0/1
  19.  ip binding vpn-instance CE2
  20.  ip address 78.1.1.7 255.255.255.0 
  21. #
  22. interface LoopBack1
  23.  ip address 7.7.7.7 255.255.255.255 
  24.  ospf enable 1 area 0.0.0.0
  25. #
  26. bgp 300
  27.  peer 6.6.6.6 as-number 300 
  28.  peer 6.6.6.6 connect-interface LoopBack1
  29.  #
  30.  ipv4-family unicast
  31.   undo synchronization
  32.   peer 6.6.6.6 enable
  33.   peer 6.6.6.6 label-route-capability
  34.  # 
  35.  ipv4-family vpnv4
  36.   policy vpn-target
  37.   peer 6.6.6.6 enable
  38.  #
  39.  ipv4-family vpn-instance CE2 
  40.   peer 78.1.1.8 as-number 400 
  41. #
  42. ospf 1 
  43.  area 0.0.0.0

③ R10配置如下

  1. #
  2. ip vpn-instance CE3
  3.  ipv4-family
  4.   route-distinguisher 10:10
  5.   vpn-target 200:1 export-extcommunity
  6.   vpn-target 200:1 import-extcommunity
  7. #
  8. mpls lsr-id 10.10.10.10
  9. mpls
  10. #
  11. mpls ldp
  12. #
  13. interface GigabitEthernet0/0/0
  14.  ip binding vpn-instance CE3
  15.  ip address 109.1.1.10 255.255.255.0 
  16. #
  17. interface GigabitEthernet0/0/1
  18.  ip address 103.1.1.10 255.255.255.0 
  19.  ospf enable 1 area 0.0.0.0
  20.  mpls
  21.  mpls ldp
  22. #
  23. interface LoopBack1
  24.  ip address 10.10.10.10 255.255.255.255 
  25.  ospf enable 1 area 0.0.0.0
  26. #
  27. bgp 200
  28.  peer 3.3.3.3 as-number 200 
  29.  peer 3.3.3.3 connect-interface LoopBack1
  30.  #
  31.  ipv4-family unicast
  32.   undo synchronization
  33.   peer 3.3.3.3 enable
  34.   peer 3.3.3.3 label-route-capability
  35.  # 
  36.  ipv4-family vpnv4
  37.   policy vpn-target
  38.   peer 3.3.3.3 enable
  39.  #
  40.  ipv4-family vpn-instance CE3 
  41.   peer 109.1.1.9 as-number 500 
  42. #
  43. ospf 1 
  44.  area 0.0.0.0

④ R11配置如下

  1. #
  2. ip vpn-instance CE4
  3.  ipv4-family
  4.   route-distinguisher 11:11
  5.   vpn-target 200:1 export-extcommunity
  6.   vpn-target 200:1 import-extcommunity
  7. #
  8. mpls lsr-id 11.11.11.11
  9. mpls
  10. #
  11. mpls ldp
  12. #
  13. #
  14. interface GigabitEthernet0/0/0
  15.  ip binding vpn-instance CE4
  16.  ip address 112.1.1.11 255.255.255.0 
  17. #
  18. interface GigabitEthernet0/0/1
  19.  ip address 116.1.1.11 255.255.255.0 
  20.  ospf enable 1 area 0.0.0.0
  21.  mpls
  22.  mpls ldp
  23. #
  24. interface LoopBack1
  25.  ip address 11.11.11.11 255.255.255.255 
  26.  ospf enable 1 area 0.0.0.0
  27. #
  28. bgp 300
  29.  peer 6.6.6.6 as-number 300 
  30.  peer 6.6.6.6 connect-interface LoopBack1
  31.  #
  32.  ipv4-family unicast
  33.   undo synchronization
  34.   peer 6.6.6.6 enable
  35.   peer 6.6.6.6 label-route-capability
  36.  # 
  37.  ipv4-family vpnv4
  38.   policy vpn-target
  39.   peer 6.6.6.6 enable
  40.  #
  41.  ipv4-family vpn-instance CE4 
  42.   peer 112.1.1.12 as-number 600 
  43. #
  44. ospf 1 
  45.  area 0.0.0.0 
  46. #

（二）RR设备

① R3配置如下

  1. #
  2. mpls lsr-id 3.3.3.3
  3. mpls
  4. #
  5. mpls ldp
  6. #
  7. #
  8. interface GigabitEthernet0/0/0
  9.  ip address 23.1.1.3 255.255.255.0 
  10.  ospf enable 1 area 0.0.0.0
  11.  mpls
  12.  mpls ldp
  13. #
  14. interface GigabitEthernet0/0/1
  15.  ip address 34.1.1.3 255.255.255.0 
  16.  ospf enable 1 area 0.0.0.0
  17.  mpls
  18.  mpls ldp
  19. #
  20. interface GigabitEthernet0/0/2
  21.  ip address 103.1.1.3 255.255.255.0 
  22.  ospf enable 1 area 0.0.0.0
  23.  mpls
  24.  mpls ldp
  25. #
  26. interface LoopBack1
  27.  ip address 3.3.3.3 255.255.255.255 
  28.  ospf enable 1 area 0.0.0.0
  29. #
  30. bgp 200
  31.  peer 2.2.2.2 as-number 200 
  32.  peer 2.2.2.2 connect-interface LoopBack1
  33.  peer 4.4.4.4 as-number 200 
  34.  peer 4.4.4.4 connect-interface LoopBack1
  35.  peer 6.6.6.6 as-number 300 
  36.  peer 6.6.6.6 ebgp-max-hop 10 
  37.  peer 6.6.6.6 connect-interface LoopBack1
  38.  peer 10.10.10.10 as-number 200 
  39.  peer 10.10.10.10 connect-interface LoopBack1
  40.  #
  41.  ipv4-family unicast
  42.   undo synchronization
  43.   peer 2.2.2.2 enable
  44.   peer 2.2.2.2 reflect-client
  45.   peer 2.2.2.2 label-route-capability
  46.   peer 4.4.4.4 enable
  47.   peer 4.4.4.4 reflect-client
  48.   peer 4.4.4.4 label-route-capability
  49.   peer 6.6.6.6 enable
  50.   peer 10.10.10.10 enable
  51.   peer 10.10.10.10 reflect-client
  52.   peer 10.10.10.10 label-route-capability
  53.  # 
  54.  ipv4-family vpnv4
  55.   undo policy vpn-target
  56.   peer 2.2.2.2 enable
  57.   peer 2.2.2.2 next-hop-invariable 
  58.   peer 4.4.4.4 enable
  59.   peer 6.6.6.6 enable
  60.   peer 6.6.6.6 next-hop-invariable 
  61.   peer 10.10.10.10 enable
  62.   peer 10.10.10.10 next-hop-invariable 
  63. #
  64. ospf 1 
  65.  area 0.0.0.0 
  66. #

② R6配置如下

  1. #
  2. mpls lsr-id 6.6.6.6
  3. mpls
  4. #
  5. mpls ldp
  6. #
  7. interface GigabitEthernet0/0/0
  8.  ip address 56.1.1.6 255.255.255.0 
  9.  ospf enable 1 area 0.0.0.0
  10.  mpls
  11.  mpls ldp
  12. #
  13. interface GigabitEthernet0/0/1
  14.  ip address 67.1.1.6 255.255.255.0 
  15.  ospf enable 1 area 0.0.0.0
  16.  mpls
  17.  mpls ldp
  18. #
  19. interface GigabitEthernet0/0/2
  20.  ip address 116.1.1.6 255.255.255.0 
  21.  ospf enable 1 area 0.0.0.0
  22.  mpls
  23.  mpls ldp
  24. #
  25. interface LoopBack1
  26.  ip address 6.6.6.6 255.255.255.255 
  27.  ospf enable 1 area 0.0.0.0
  28. #
  29. bgp 300
  30.  peer 3.3.3.3 as-number 200 
  31.  peer 3.3.3.3 ebgp-max-hop 10 
  32.  peer 3.3.3.3 connect-interface LoopBack1
  33.  peer 5.5.5.5 as-number 300 
  34.  peer 5.5.5.5 connect-interface LoopBack1
  35.  peer 7.7.7.7 as-number 300 
  36.  peer 7.7.7.7 connect-interface LoopBack1
  37.  peer 11.11.11.11 as-number 300 
  38.  peer 11.11.11.11 connect-interface LoopBack1
  39.  #
  40.  ipv4-family unicast
  41.   undo synchronization
  42.   peer 3.3.3.3 enable
  43.   peer 5.5.5.5 enable
  44.   peer 5.5.5.5 reflect-client
  45.   peer 5.5.5.5 label-route-capability
  46.   peer 7.7.7.7 enable
  47.   peer 7.7.7.7 reflect-client
  48.   peer 7.7.7.7 label-route-capability
  49.   peer 11.11.11.11 enable
  50.   peer 11.11.11.11 reflect-client
  51.   peer 11.11.11.11 label-route-capability
  52.  # 
  53.  ipv4-family vpnv4
  54.   undo policy vpn-target
  55.   peer 3.3.3.3 enable
  56.   peer 3.3.3.3 next-hop-invariable 
  57.   peer 5.5.5.5 enable
  58.   peer 7.7.7.7 enable
  59.   peer 7.7.7.7 next-hop-invariable 
  60.   peer 11.11.11.11 enable
  61.   peer 11.11.11.11 next-hop-invariable 
  62. #
  63. ospf 1 
  64.  area 0.0.0.0 
  65. #

（三）ASBR设备

① R4配置如下：

  1. #
  2. mpls lsr-id 4.4.4.4
  3. mpls
  4. #
  5. mpls ldp
  6. #
  7. interface GigabitEthernet0/0/0
  8.  ip address 34.1.1.4 255.255.255.0 
  9.  ospf enable 1 area 0.0.0.0
  10.  mpls
  11.  mpls ldp
  12. #
  13. interface GigabitEthernet0/0/1
  14.  ip address 45.1.1.4 255.255.255.0 
  15.  mpls
  16. #
  17. #
  18. interface LoopBack1
  19.  ip address 4.4.4.4 255.255.255.255 
  20.  ospf enable 1 area 0.0.0.0
  21. #
  22. bgp 200
  23.  peer 3.3.3.3 as-number 200 
  24.  peer 3.3.3.3 connect-interface LoopBack1
  25.  peer 45.1.1.5 as-number 300 
  26.  #
  27.  ipv4-family unicast
  28.   undo synchronization
  29.   network 2.2.2.2 255.255.255.255 
  30.   network 3.3.3.3 255.255.255.255 
  31.   network 10.10.10.10 255.255.255.255 
  32.   peer 3.3.3.3 enable
  33.   peer 3.3.3.3 route-policy rr export
  34.   peer 3.3.3.3 label-route-capability
  35.   peer 45.1.1.5 enable
  36.   peer 45.1.1.5 route-policy asbr export
  37.   peer 45.1.1.5 label-route-capability
  38.  # 
  39.  ipv4-family vpnv4
  40.   undo policy vpn-target
  41.   peer 3.3.3.3 enable
  42. #
  43. ospf 1 
  44.  area 0.0.0.0 
  45. #
  46. route-policy asbr permit node 10 
  47.  apply mpls-label
  48. #
  49. route-policy rr permit node 10 
  50.  if-match mpls-label 
  51.  apply mpls-label
  52. #

② R5配置如下

  1. mpls lsr-id 5.5.5.5
  2. mpls
  3. #
  4. mpls ldp
  5. #
  6. interface GigabitEthernet0/0/0
  7.  ip address 45.1.1.5 255.255.255.0 
  8.  mpls
  9. #
  10. interface GigabitEthernet0/0/1
  11.  ip address 56.1.1.5 255.255.255.0 
  12.  ospf enable 1 area 0.0.0.0
  13.  mpls
  14.  mpls ldp
  15. #
  16. interface LoopBack1
  17.  ip address 5.5.5.5 255.255.255.255 
  18.  ospf enable 1 area 0.0.0.0
  19. #
  20. bgp 300
  21.  peer 6.6.6.6 as-number 300 
  22.  peer 6.6.6.6 connect-interface LoopBack1
  23.  peer 45.1.1.4 as-number 200 
  24.  #
  25.  ipv4-family unicast
  26.   undo synchronization
  27.   network 6.6.6.6 255.255.255.255 
  28.   network 7.7.7.7 255.255.255.255 
  29.   network 11.11.11.11 255.255.255.255 
  30.   peer 6.6.6.6 enable
  31.   peer 6.6.6.6 route-policy rr export
  32.   peer 6.6.6.6 label-route-capability
  33.   peer 45.1.1.4 enable
  34.   peer 45.1.1.4 route-policy asbr export
  35.   peer 45.1.1.4 label-route-capability
  36.  # 
  37.  ipv4-family vpnv4
  38.   undo policy vpn-target
  39.   peer 6.6.6.6 enable
  40. #
  41. ospf 1 
  42.  area 0.0.0.0 
  43. #
  44. route-policy asbr permit node 10 
  45.  apply mpls-label
  46. #
  47. route-policy rr permit node 10
  48.  if-match mpls-label 
  49.  apply mpls-label
  50. #

五、实验效果

① R1到R8流量路径如下

② R9到R12流量路径如下

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