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OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍

1 案例：熟悉OSPF数据库

1.1 问题

  1. 如图配置 IP 和OSPF
  2. 查看并熟悉OSPF数据库
  3. 分析多区域带来的好处

1.2 方案

搭建实验环境，如图-1所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-1

1.3 步骤

实现此案例需要按照如下步骤进行。[hidecontent type=”payshow”]

1）配置IP地址，设置OSPF区域

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface GigabitEthernet 0/0/0
  5. [R1–GigabitEthernet0/0/0]ip add 192.168.12.1 24
  6. [R1–GigabitEthernet0/0/0]quit
  8. [R1]ospf 1 router–id 1.1.1.1
  9. [R1–ospf-1]area 12
  10. [R1–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  11. [R1–ospf-1–area-0.0.0.12]quit
  13. <Huawei>undo terminal monitor
  14. <Huawei>system–view
  15. [Huawei]sysname R2
  16. [R2]interface GigabitEthernet 0/0/1
  17. [R2–GigabitEthernet0/0/1]ip add 192.168.12.2 24
  18. [R2–GigabitEthernet0/0/1]quit
  19. [R2]interface GigabitEthernet 0/0/0
  20. [R2–GigabitEthernet0/0/0]ip add 192.168.23.2 24
  21. [R2–GigabitEthernet0/0/0]quit
  22. [R2]ospf 1 router–id 2.2.2.2
  23. [R2–ospf-1]area 12
  24. [R2–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  25. [R2–ospf-1–area-0.0.0.12]quit
  26. [R2–ospf-1]area 0
  27. [R2–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  28. [R2–ospf-1–area-0.0.0.0]quit
  30. <Huawei>undo terminal monitor
  31. <Huawei>system–view
  32. [Huawei]sysname R3
  33. [R3]interface GigabitEthernet 0/0/1
  34. [R3–GigabitEthernet0/0/1]ip add 192.168.23.3 24
  35. [R3–GigabitEthernet0/0/1]quit
  36. [R3]interface GigabitEthernet 0/0/0
  37. [R3–GigabitEthernet0/0/0]ip add 192.168.34.3 24
  38. [R3–GigabitEthernet0/0/0]quit
  39. [R3]ospf 1 router–id 3.3.3.3
  40. [R3–ospf-1]area 0
  41. [R3–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  42. [R3–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  43. [R3–ospf-1–area-0.0.0.0]quit
  45. <Huawei>undo terminal monitor
  46. <Huawei>system–view
  47. [Huawei]sysname R4
  48. [R4]interface GigabitEthernet 0/0/1
  49. [R4–GigabitEthernet0/0/1]ip add 192.168.34.4 24
  50. [R4–GigabitEthernet0/0/1]quit
  51. [R4]interface GigabitEthernet 0/0/0
  52. [R4–GigabitEthernet0/0/0]ip add 192.168.45.4 24
  53. [R4–GigabitEthernet0/0/0]quit
  54. [R4]ospf 1 router–id 4.4.4.4
  55. [R4–ospf-1]area 0
  56. [R4–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  57. [R4–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  58. [R4–ospf-1–area-0.0.0.0]quit
  60. <Huawei>undo terminal monitor
  61. <Huawei>system–view
  62. [Huawei]sysname R5
  63. [R5]interface GigabitEthernet 0/0/1
  64. [R5–GigabitEthernet0/0/1]ip add 192.168.45.5 24
  65. [R5–GigabitEthernet0/0/1]quit
  66. [R5]interface GigabitEthernet 0/0/0
  67. [R5–GigabitEthernet0/0/0]ip add 192.168.56.5 24
  68. [R5–GigabitEthernet0/0/0]quit
  69. [R5]ospf 1 router–id 5.5.5.5
  70. [R5–ospf-1]area 56
  71. [R5–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  72. [R5–ospf-1–area-0.0.0.56]quit
  73. [R5–ospf-1]area 0
  74. [R5–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  75. [R5–ospf-1–area-0.0.0.0]quit
  77. <Huawei>undo terminal monitor
  78. <Huawei>system–view
  79. [Huawei]sysname R6
  80. [R6]interface GigabitEthernet 0/0/1
  81. [R6–GigabitEthernet0/0/1]ip add 192.168.56.6 24
  82. [R6–GigabitEthernet0/0/1]quit
  83. [R6]ospf 1 router–id 6.6.6.6
  84. [R6–ospf-1]area 56
  85. [R6–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  86. [R6–ospf-1–area-0.0.0.56]quit

2）查看 R1 的 OSPF 数据库

  1. [R1]display ospf lsdb
  3.      OSPF Process 1 with Router ID 1.1.1.1
  4.          Link State Database
  6.          Area: 0.0.0.12
  7. Type LinkState ID AdvRouter Age Len Sequence Metric
  8. Router 2.2.2.2 2.2.2.2 78 36 80000005 1
  9. Router 1.1.1.1 1.1.1.1 78 36 80000004 1
  10. Network 192.168.12.2 2.2.2.2 79 32 80000002 0
  11. Sum–Net 192.168.45.0 2.2.2.2 71 28 80000001 3
  12. Sum–Net 192.168.23.0 2.2.2.2 116 28 80000001 1
  13. Sum–Net 192.168.56.0 2.2.2.2 36 28 80000001 4
  14. Sum–Net 192.168.34.0 2.2.2.2 71 28 80000001 2

3）查看 R2(ABR)的数据库

  1. [R2]display ospf lsdb
  3.      OSPF Process 1 with Router ID 2.2.2.2
  4.          Link State Database
  6.          Area: 0.0.0.0
  7. Type LinkState ID AdvRouter Age Len Sequence Metric
  8. Router 4.4.4.4 4.4.4.4 88 48 80000007 1
  9. Router 2.2.2.2 2.2.2.2 122 36 80000004 1
  10. Router 5.5.5.5 5.5.5.5 87 36 80000004 1
  11. Router 3.3.3.3 3.3.3.3 120 48 80000006 1
  12. Network 192.168.23.3 3.3.3.3 120 32 80000002 0
  13. Network 192.168.34.3 3.3.3.3 124 32 80000002 0
  14. Network 192.168.45.5 5.5.5.5 87 32 80000002 0
  15. Sum–Net 192.168.56.0 5.5.5.5 126 28 80000001 1
  16. Sum–Net 192.168.12.0 2.2.2.2 167 28 80000001 1
  18.          Area: 0.0.0.12
  19. Type LinkState ID AdvRouter Age Len Sequence Metric
  20. Router 2.2.2.2 2.2.2.2 129 36 80000005 1
  21. Router 1.1.1.1 1.1.1.1 131 36 80000004 1
  22. Network 192.168.12.2 2.2.2.2 130 32 80000002 0
  23. Sum–Net 192.168.45.0 2.2.2.2 121 28 80000001 3
  24. Sum–Net 192.168.23.0 2.2.2.2 167 28 80000001 1
  25. Sum–Net 192.168.56.0 2.2.2.2 86 28 80000001 4
  26. Sum–Net 192.168.34.0 2.2.2.2 121 28 80000001 2

4）查看R3(骨干区域设备)的OSPF数据库

  1. [R3]display ospf lsdb
  3.      OSPF Process 1 with Router ID 3.3.3.3
  4.          Link State Database
  6.          Area: 0.0.0.0
  7. Type LinkState ID AdvRouter Age Len Sequence Metric
  8. Router 4.4.4.4 4.4.4.4 140 48 80000007 1
  9. Router 2.2.2.2 2.2.2.2 175 36 80000004 1
  10. Router 5.5.5.5 5.5.5.5 139 36 80000004 1
  11. Router 3.3.3.3 3.3.3.3 172 48 80000006 1
  12. Network 192.168.23.3 3.3.3.3 172 32 80000002 0
  13. Network 192.168.34.3 3.3.3.3 175 32 80000002 0
  14. Network 192.168.45.5 5.5.5.5 139 32 80000002 0
  15. Sum–Net 192.168.56.0 5.5.5.5 178 28 80000001 1
  16. Sum–Net 192.168.12.0 2.2.2.2 220 28 80000001 1

2 案例：熟悉1/2类LSA数据库

2.1 问题

  1. 如图配置 IP 和OSPF
  2. 配置区域12为点到点网络
  3. 分析区域12中的1类LSA
  4. 分析区域56中的1类和2类LSA

2.2 方案

搭建实验环境，如图-2所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-2

2.3 步骤

实现此案例需要按照如下步骤进行。

1）配置IP地址，设置OSPF区域

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface GigabitEthernet 0/0/0
  5. [R1–GigabitEthernet0/0/0]ip add 192.168.12.1 24
  6. [R1–GigabitEthernet0/0/0]quit
  7. [R1]ospf 1 router–id 1.1.1.1
  8. [R1–ospf-1]area 12
  9. [R1–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  10. [R1–ospf-1–area-0.0.0.12]quit
  12. <Huawei>undo terminal monitor
  13. <Huawei>system–view
  14. [Huawei]sysname R2
  15. [R2]interface GigabitEthernet 0/0/1
  16. [R2–GigabitEthernet0/0/1]ip add 192.168.12.2 24
  17. [R2–GigabitEthernet0/0/1]quit
  18. [R2]interface GigabitEthernet 0/0/0
  19. [R2–GigabitEthernet0/0/0]ip add 192.168.23.2 24
  20. [R2–GigabitEthernet0/0/0]quit
  21. [R2]ospf 1 router–id 2.2.2.2
  22. [R2–ospf-1]area 12
  23. [R2–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  24. [R2–ospf-1–area-0.0.0.12]quit
  25. [R2–ospf-1]area 0
  26. [R2–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  27. [R2–ospf-1–area-0.0.0.0]quit
  29. <Huawei>undo terminal monitor
  30. <Huawei>system–view
  31. [Huawei]sysname R3
  32. [R3]interface GigabitEthernet 0/0/1
  33. [R3–GigabitEthernet0/0/1]ip add 192.168.23.3 24
  34. [R3–GigabitEthernet0/0/1]quit
  35. [R3]interface GigabitEthernet 0/0/0
  36. [R3–GigabitEthernet0/0/0]ip add 192.168.34.3 24
  37. [R3–GigabitEthernet0/0/0]quit
  38. [R3]ospf 1 router–id 3.3.3.3
  39. [R3–ospf-1]area 0
  40. [R3–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  41. [R3–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  42. [R3–ospf-1–area-0.0.0.0]quit
  45. <Huawei>undo terminal monitor
  46. <Huawei>system–view
  47. [Huawei]sysname R4
  48. [R4]interface GigabitEthernet 0/0/1
  49. [R4–GigabitEthernet0/0/1]ip add 192.168.34.4 24
  50. [R4–GigabitEthernet0/0/1]quit
  51. [R4]interface GigabitEthernet 0/0/0
  52. [R4–GigabitEthernet0/0/0]ip add 192.168.45.4 24
  53. [R4–GigabitEthernet0/0/0]quit
  54. [R4]ospf 1 router–id 4.4.4.4
  55. [R4–ospf-1]area 0
  56. [R4–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  57. [R4–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  58. [R4–ospf-1–area-0.0.0.0]quit
  60. <Huawei>undo terminal monitor
  61. <Huawei>system–view
  62. [Huawei]sysname R5
  63. [R5]interface GigabitEthernet 0/0/1
  64. [R5–GigabitEthernet0/0/1]ip add 192.168.45.5 24
  65. [R5–GigabitEthernet0/0/1]quit
  66. [R5]interface GigabitEthernet 0/0/0
  67. [R5–GigabitEthernet0/0/0]ip add 192.168.56.5 24
  68. [R5–GigabitEthernet0/0/0]quit
  69. [R5]ospf 1 router–id 5.5.5.5
  70. [R5–ospf-1]area 56
  71. [R5–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  72. [R5–ospf-1–area-0.0.0.56]quit
  73. [R5–ospf-1]area 0
  74. [R5–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  75. [R5–ospf-1–area-0.0.0.0]quit
  77. <Huawei>undo terminal monitor
  78. <Huawei>system–view
  79. [Huawei]sysname R6
  80. [R6]interface GigabitEthernet 0/0/1
  81. [R6–GigabitEthernet0/0/1]ip add 192.168.56.6 24
  82. [R6–GigabitEthernet0/0/1]quit
  83. [R6]ospf 1 router–id 6.6.6.6
  84. [R6–ospf-1]area 56
  85. [R6–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  86. [R6–ospf-1–area-0.0.0.56]quit

2）修改区域12的网络为点到点网络

  1. [R1]interface GigabitEthernet 0/0/0
  2. [R1–GigabitEthernet0/0/0]ospf network–type p2p
  4. [R2]interface GigabitEthernet 0/0/1
  5. [R2–GigabitEthernet0/0/1]ospf network–type p2p

3）查看 区域12 中的1类LSA

  1. [R1]display ospf lsdb router 1.1.1.1
  3.      OSPF Process 1 with Router ID 1.1.1.1
  4.          Area: 0.0.0.12
  5.          Link State Database
  6. Type : Router
  7. Ls id : 1.1.1.1
  8. Adv rtr : 1.1.1.1
  9. Ls age : 10
  10. Len : 48
  11. Options : E
  12. seq# : 80000008
  13. chksum : 0x89b6
  14. Link count: 2
  15. * Link ID: 2.2.2.2
  16. Data : 192.168.12.1
  17. Link Type: P-2–P
  18. Metric : 1
  19. * Link ID: 192.168.12.0
  20. Data : 255.255.255.0
  21. Link Type: StubNet
  22. Metric : 1
  23. Priority : Low
  25. [R1]display ospf lsdb router 2.2.2.2
  27.      OSPF Process 1 with Router ID 1.1.1.1
  28.          Area: 0.0.0.12
  29.          Link State Database
  30. Type : Router
  31. Ls id : 2.2.2.2
  32. Adv rtr : 2.2.2.2
  33. Ls age : 48
  34. Len : 48
  35. Options : ABR E
  36. seq# : 8000000b
  37. chksum : 0x2611
  38. Link count: 2
  39. * Link ID: 1.1.1.1
  40. Data : 192.168.12.2
  41. Link Type: P-2–P
  42. Metric : 1
  43. * Link ID: 192.168.12.0
  44. Data : 255.255.255.0
  45. Link Type: StubNet
  46. Metric : 1
  47. Priority : Low

4）查看区域56中的1类LSA和2类LSA

  1. <R6>display ospf lsdb router 5.5.5.5
  3.      OSPF Process 1 with Router ID 6.6.6.6
  4.          Area: 0.0.0.56
  5.          Link State Database
  6. Type : Router
  7. Ls id : 5.5.5.5
  8. Adv rtr : 5.5.5.5
  9. Ls age : 516
  10. Len : 36
  11. Options : ABR E
  12. seq# : 80000006
  13. chksum : 0x5186
  14. Link count: 1
  15. * Link ID: 192.168.56.5
  16. Data : 192.168.56.5
  17. Link Type: TransNet
  18. Metric : 1
  20. <R6>display ospf lsdb router 6.6.6.6
  22.      OSPF Process 1 with Router ID 6.6.6.6
  23.          Area: 0.0.0.56
  24.          Link State Database
  25. Type : Router
  26. Ls id : 6.6.6.6
  27. Adv rtr : 6.6.6.6
  28. Ls age : 540
  29. Len : 36
  30. Options : E
  31. seq# : 80000003
  32. chksum : 0x16bc
  33. Link count: 1
  34. * Link ID: 192.168.56.5
  35. Data : 192.168.56.6
  36. Link Type: TransNet
  37. Metric : 1
  39. <R6>display ospf lsdb network 192.168.56.5
  41.      OSPF Process 1 with Router ID 6.6.6.6
  42.          Area: 0.0.0.56
  43.          Link State Database
  44. Type : Network
  45. Ls id : 192.168.56.5
  46. Adv rtr : 5.5.5.5
  47. Ls age : 559
  48. Len : 32
  49. Options : E
  50. seq# : 80000002
  51. chksum : 0x72ff
  52. Net mask : 255.255.255.0
  53. Priority : Low
  54. Attached Router 5.5.5.5
  55. Attached Router 6.6.6.6

3 案例：熟悉3类LSA数据库

3.1 问题

  1. 如图配置 IP 和OSPF
  2. 分析区域0和 区域56中的3类LSA
  3. 熟悉基于LSA计算路由的过程

3.2 方案

搭建实验环境，如图-3所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-3

3.3 步骤

实现此案例需要按照如下步骤进行。

1）配置IP地址，设置OSPF区域

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface GigabitEthernet 0/0/0
  5. [R1–GigabitEthernet0/0/0]ip add 192.168.12.1 24
  6. [R1–GigabitEthernet0/0/0]quit
  7. [R1]ospf 1 router–id 1.1.1.1
  8. [R1–ospf-1]area 12
  9. [R1–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  10. [R1–ospf-1–area-0.0.0.12]quit
  12. <Huawei>undo terminal monitor
  13. <Huawei>system–view
  14. [Huawei]sysname R2
  15. [R2]interface GigabitEthernet 0/0/1
  16. [R2–GigabitEthernet0/0/1]ip add 192.168.12.2 24
  17. [R2–GigabitEthernet0/0/1]quit
  18. [R2]interface GigabitEthernet 0/0/0
  19. [R2–GigabitEthernet0/0/0]ip add 192.168.23.2 24
  20. [R2–GigabitEthernet0/0/0]quit
  21. [R2]ospf 1 router–id 2.2.2.2
  22. [R2–ospf-1]area 12
  23. [R2–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  24. [R2–ospf-1–area-0.0.0.12]quit
  25. [R2–ospf-1]area 0
  26. [R2–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  27. [R2–ospf-1–area-0.0.0.0]quit
  29. <Huawei>undo terminal monitor
  30. <Huawei>system–view
  31. [Huawei]sysname R3
  32. [R3]interface GigabitEthernet 0/0/1
  33. [R3–GigabitEthernet0/0/1]ip add 192.168.23.3 24
  34. [R3–GigabitEthernet0/0/1]quit
  35. [R3]interface GigabitEthernet 0/0/0
  36. [R3–GigabitEthernet0/0/0]ip add 192.168.34.3 24
  37. [R3–GigabitEthernet0/0/0]quit
  38. [R3]ospf 1 router–id 3.3.3.3
  39. [R3–ospf-1]area 0
  40. [R3–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  41. [R3–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  42. [R3–ospf-1–area-0.0.0.0]quit
  44. <Huawei>undo terminal monitor
  45. <Huawei>system–view
  46. [Huawei]sysname R4
  47. [R4]interface GigabitEthernet 0/0/1
  48. [R4–GigabitEthernet0/0/1]ip add 192.168.34.4 24
  49. [R4–GigabitEthernet0/0/1]quit
  50. [R4]interface GigabitEthernet 0/0/0
  51. [R4–GigabitEthernet0/0/0]ip add 192.168.45.4 24
  52. [R4–GigabitEthernet0/0/0]quit
  53. [R4]ospf 1 router–id 4.4.4.4
  54. [R4–ospf-1]area 0
  55. [R4–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  56. [R4–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  57. [R4–ospf-1–area-0.0.0.0]quit
  59. <Huawei>undo terminal monitor
  60. <Huawei>system–view
  61. [Huawei]sysname R5
  62. [R5]interface GigabitEthernet 0/0/1
  63. [R5–GigabitEthernet0/0/1]ip add 192.168.45.5 24
  64. [R5–GigabitEthernet0/0/1]quit
  65. [R5]interface GigabitEthernet 0/0/0
  66. [R5–GigabitEthernet0/0/0]ip add 192.168.56.5 24
  67. [R5–GigabitEthernet0/0/0]quit
  68. [R5]ospf 1 router–id 5.5.5.5
  69. [R5–ospf-1]area 56
  70. [R5–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  71. [R5–ospf-1–area-0.0.0.56]quit
  72. [R5–ospf-1]area 0
  73. [R5–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  74. [R5–ospf-1–area-0.0.0.0]quit
  76. <Huawei>undo terminal monitor
  77. <Huawei>system–view
  78. [Huawei]sysname R6
  79. [R6]interface GigabitEthernet 0/0/1
  80. [R6–GigabitEthernet0/0/1]ip add 192.168.56.6 24
  81. [R6–GigabitEthernet0/0/1]quit
  82. [R6]ospf 1 router–id 6.6.6.6
  83. [R6–ospf-1]area 56
  84. [R6–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  85. [R6–ospf-1–area-0.0.0.56]quit

2）查看区域0中R3的LSDB以及3类LSA

  1. <R3>display ospf lsdb
  2.      OSPF Process 1 with Router ID 3.3.3.3
  3.          Link State Database
  5.          Area: 0.0.0.0
  6. Type LinkState ID AdvRouter Age Len Sequence Metric
  7. Router 4.4.4.4 4.4.4.4 773 48 80000007 1
  8. Router 2.2.2.2 2.2.2.2 808 36 80000004 1
  9. Router 5.5.5.5 5.5.5.5 772 36 80000004 1
  10. Router 3.3.3.3 3.3.3.3 805 48 80000006 1
  11. Network 192.168.23.3 3.3.3.3 805 32 80000002 0
  12. Network 192.168.34.3 3.3.3.3 808 32 80000002 0
  13. Network 192.168.45.5 5.5.5.5 772 32 80000002 0
  14. Sum–Net 192.168.56.0 5.5.5.5 811 28 80000001 1
  15. Sum–Net 192.168.12.0 2.2.2.2 853 28 80000001 1
  17. <R3>display ospf lsdb summary 192.168.12.0
  18.      OSPF Process 1 with Router ID 3.3.3.3
  19.          Area: 0.0.0.0
  20.          Link State Database
  21. Type : Sum–Net
  22. Ls id : 192.168.12.0
  23. Adv rtr : 2.2.2.2
  24. Ls age : 915
  25. Len : 28
  26. Options : E
  27. seq# : 80000001
  28. chksum : 0x3db
  29. Net mask : 255.255.255.0
  30. Tos 0 metric: 1
  31. Priority : Low

3）查看区域56中的R6的LSDB 以及3类LSA

  1. <R6>display ospf lsdb
  2.      OSPF Process 1 with Router ID 6.6.6.6
  3.          Link State Database
  4.          Area: 0.0.0.56
  5. Type LinkState ID AdvRouter Age Len Sequence Metric
  6. Router 6.6.6.6 6.6.6.6 913 36 80000003 1
  7. Router 5.5.5.5 5.5.5.5 909 36 80000006 1
  8. Network 192.168.56.5 5.5.5.5 909 32 80000002 0
  9. Sum–Net 192.168.45.0 5.5.5.5 960 28 80000001 1
  10. Sum–Net 192.168.23.0 5.5.5.5 923 28 80000001 3
  11. Sum–Net 192.168.34.0 5.5.5.5 923 28 80000001 2
  12. Sum–Net 192.168.12.0 5.5.5.5 923 28 80000001 4
  14. <R6>display ospf lsdb summary 192.168.12.0
  15.      OSPF Process 1 with Router ID 6.6.6.6
  16.          Area: 0.0.0.56
  17.          Link State Database
  18. Type : Sum–Net
  19. Ls id : 192.168.12.0
  20. Adv rtr : 5.5.5.5
  21. Ls age : 955
  22. Len : 28
  23. Options : E
  24. seq# : 80000001
  25. chksum : 0xc609
  26. Net mask : 255.255.255.0
  27. Tos 0 metric: 4
  28. Priority : Low

4 案例：熟悉4/5类LSA

4.1 问题

  1. 如图配置 IP 和 OSPF
  2. R6配置静态路由，访问 PC-3
  3. 确保PC-1和PC-2可以访问PC-3
  4. 分类5类LSA，熟悉路由计算过程

4.2 方案

搭建实验环境，如图-4所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-4

4.3 步骤

实现此案例需要按照如下步骤进行。

1）配置IP地址，设置OSPF区域

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface GigabitEthernet 0/0/0
  5. [R1–GigabitEthernet0/0/0]ip add 192.168.12.1 24
  6. [R1–GigabitEthernet0/0/0]quit
  7. [R1]interface GigabitEthernet 0/0/2
  8. [R1–GigabitEthernet0/0/2]ip add 192.168.1.254 24
  9. [R1–GigabitEthernet0/0/2]quit
  10. [R1]ospf 1 router–id 1.1.1.1
  11. [R1–ospf-1]area 12
  12. [R1–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  13. [R1–ospf-1–area-0.0.0.12]network 192.168.1.0 0.0.0.255
  14. [R1–ospf-1–area-0.0.0.12]quit
  16. <Huawei>undo terminal monitor
  17. <Huawei>system–view
  18. [Huawei]sysname R2
  19. [R2]interface GigabitEthernet 0/0/1
  20. [R2–GigabitEthernet0/0/1]ip add 192.168.12.2 24
  21. [R2–GigabitEthernet0/0/1]quit
  22. [R2]interface GigabitEthernet 0/0/0
  23. [R2–GigabitEthernet0/0/0]ip add 192.168.23.2 24
  24. [R2–GigabitEthernet0/0/0]quit
  25. [R2]ospf 1 router–id 2.2.2.2
  26. [R2–ospf-1]area 12
  27. [R2–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  28. [R2–ospf-1–area-0.0.0.12]quit
  29. [R2–ospf-1]area 0
  30. [R2–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  31. [R2–ospf-1–area-0.0.0.0]quit
  33. <Huawei>undo terminal monitor
  34. <Huawei>system–view
  35. [Huawei]sysname R3
  36. [R3]interface GigabitEthernet 0/0/1
  37. [R3–GigabitEthernet0/0/1]ip add 192.168.23.3 24
  38. [R3–GigabitEthernet0/0/1]quit
  39. [R3]interface GigabitEthernet 0/0/0
  40. [R3–GigabitEthernet0/0/0]ip add 192.168.34.3 24
  41. [R3–GigabitEthernet0/0/0]quit
  42. [R3]ospf 1 router–id 3.3.3.3
  43. [R3–ospf-1]area 0
  44. [R3–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  45. [R3–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  46. [R3–ospf-1–area-0.0.0.0]quit
  48. <Huawei>undo terminal monitor
  49. <Huawei>system–view
  50. [Huawei]sysname R4
  51. [R4]interface GigabitEthernet 0/0/1
  52. [R4–GigabitEthernet0/0/1]ip add 192.168.34.4 24
  53. [R4–GigabitEthernet0/0/1]quit
  54. [R4]interface GigabitEthernet 0/0/0
  55. [R4–GigabitEthernet0/0/0]ip add 192.168.45.4 24
  56. [R4–GigabitEthernet0/0/0]quit
  57. [R4]ospf 1 router–id 4.4.4.4
  58. [R4–ospf-1]area 0
  59. [R4–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  60. [R4–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  61. [R4–ospf-1–area-0.0.0.0]quit
  63. <Huawei>undo terminal monitor
  64. <Huawei>system–view
  65. [Huawei]sysname R5
  66. [R5]interface GigabitEthernet 0/0/1
  67. [R5–GigabitEthernet0/0/1]ip add 192.168.45.5 24
  68. [R5–GigabitEthernet0/0/1]quit
  69. [R5]interface GigabitEthernet 0/0/0
  70. [R5–GigabitEthernet0/0/0]ip add 192.168.56.5 24
  71. [R5–GigabitEthernet0/0/0]quit
  72. [R5]ospf 1 router–id 5.5.5.5
  73. [R5–ospf-1]area 56
  74. [R5–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  75. [R5–ospf-1–area-0.0.0.56]quit
  76. [R5–ospf-1]area 0
  77. [R5–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  78. [R5–ospf-1–area-0.0.0.0]quit
  80. <Huawei>undo terminal monitor
  81. <Huawei>system–view
  82. [Huawei]sysname R6
  83. [R6]interface GigabitEthernet 0/0/0
  84. [R6–GigabitEthernet0/0/0]ip add 192.168.67.6 24
  85. [R6–GigabitEthernet0/0/0]quit
  86. [R6]interface GigabitEthernet 0/0/1
  87. [R6–GigabitEthernet0/0/1]ip add 192.168.56.6 24
  88. [R6–GigabitEthernet0/0/1]quit
  89. [R6]interface GigabitEthernet 0/0/2
  90. [R6–GigabitEthernet0/0/2]ip add 192.168.2.254 24
  91. [R6–GigabitEthernet0/0/2]quit
  92. [R6]ospf 1 router–id 6.6.6.6
  93. [R6–ospf-1]area 56
  94. [R6–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  95. [R6–ospf-1–area-0.0.0.56]network 192.168.2.0 0.0.0.255
  96. [R6–ospf-1–area-0.0.0.56]quit
  98. <Huawei>undo terminal monitor
  99. <Huawei>system–view
  100. [Huawei]sysname R7
  101. [R7]interface GigabitEthernet 0/0/1
  102. [R7–GigabitEthernet0/0/0]ip add 192.168.67.7 24
  103. [R7–GigabitEthernet0/0/0]quit
  104. [R7]interface GigabitEthernet 0/0/2
  105. [R7–GigabitEthernet0/0/2]ip add 192.168.3.254 24
  106. [R7–GigabitEthernet0/0/2]quit
  107. [R7]ip route–static 192.168.0.0 16 192.168.67.6

2）配置 R6 与 R7 之间的互通路由，并引入 OSPF

  1. [R6]ip route–static 192.168.3.0 24 192.168.67.7
  3. [R6]ospf 1
  4. [R6–ospf-1]import–route static

3）查看 R1 的 OSPF 数据库，确认 192.168.3.0/24 的路由信息

  1. <R1>display ospf lsdb
  2.      OSPF Process 1 with Router ID 1.1.1.1
  3.          Link State Database
  4.          Area: 0.0.0.12
  5. Type LinkState ID AdvRouter Age Len Sequence Metric
  6. Router 2.2.2.2 2.2.2.2 1353 48 8000000B 1
  7. Router 1.1.1.1 1.1.1.1 1352 48 80000008 1
  8. Sum–Net 192.168.45.0 2.2.2.2 1800 28 80000001 3
  9. Sum–Net 192.168.23.0 2.2.2.2 46 28 80000002 1
  10. Sum–Net 192.168.56.0 2.2.2.2 1765 28 80000001 4
  11. Sum–Net 192.168.34.0 2.2.2.2 1800 28 80000001 2
  12. Sum–Asbr 6.6.6.6 2.2.2.2 5 28 80000001 4
  14.          AS External Database
  15. Type LinkState ID AdvRouter Age Len Sequence Metric
  16. External 192.168.3.0 6.6.6.6 9 36 80000001 1

4）查看表示 192.168.3.0/24 的 5类LSA

  1. <R1>display ospf lsdb ase 192.168.3.0
  2.      OSPF Process 1 with Router ID 1.1.1.1
  3.          Link State Database
  4. Type : External
  5. Ls id : 192.168.3.0
  6. Adv rtr : 6.6.6.6
  7. Ls age : 26
  8. Len : 36
  9. Options : E
  10. seq# : 80000001
  11. chksum : 0x77d4
  12. Net mask : 255.255.255.0
  13. TOS 0 Metric: 1
  14. E type : 2
  15. Forwarding Address : 0.0.0.0
  16. Tag : 1
  17. Priority : Low

4）查看表示 ASBR 信息的4类LSA

  1. <R1>display ospf lsdb asbr 6.6.6.6
  2.      OSPF Process 1 with Router ID 1.1.1.1
  3.          Area: 0.0.0.12
  4.          Link State Database
  5. Type : Sum–Asbr
  6. Ls id : 6.6.6.6
  7. Adv rtr : 2.2.2.2
  8. Ls age : 63
  9. Len : 28
  10. Options : E
  11. seq# : 80000001
  12. chksum : 0x3404
  13. Tos 0 metric: 4

5）确保PC-1/2 与 PC3之间的互通

  1. PC-1>ping 192.168.3.1
  2. Ping 192.168.3.1: 32 data bytes, Press Ctrl_C to break
  3. From 192.168.3.1: bytes=32 seq=1 ttl=125 time=31 ms
  4. From 192.168.3.1: bytes=32 seq=2 ttl=125 time=31 ms
  5. From 192.168.3.1: bytes=32 seq=3 ttl=125 time=16 ms
  6. From 192.168.3.1: bytes=32 seq=4 ttl=125 time=16 ms
  7. From 192.168.3.1: bytes=32 seq=5 ttl=125 time=31 ms
  9. — 192.168.3.1 ping statistics —
  10. 5 packet(s) transmitted
  13. PC-2>ping 192.168.3.1
  14. Ping 192.168.3.1: 32 data bytes, Press Ctrl_C to break
  15. From 192.168.3.1: bytes=32 seq=1 ttl=125 time=31 ms
  16. From 192.168.3.1: bytes=32 seq=2 ttl=125 time=31 ms
  17. From 192.168.3.1: bytes=32 seq=3 ttl=125 time=16 ms
  18. From 192.168.3.1: bytes=32 seq=4 ttl=125 time=16 ms
  19. From 192.168.3.1: bytes=32 seq=5 ttl=125 time=31 ms
  21. — 192.168.3.1 ping statistics —
  22. 5 packet(s) transmitted

5 案例：OSPF路由选路

5.1 问题

  1. 如图配置 VLAN、IP和OSPF
  2. R1/R2配置静态路由，访问PC-2
  3. 确保 PC-1与PC-2可以互相访问
  4. PC-1的网关配置在 SW1 上
  5. R1是主出口设备，R2是备份出口设备
  6. 要求数据转发是最优路径

5.2 方案

搭建实验环境，如图-5所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-5

5.3 步骤

实现此案例需要按照如下步骤进行。

1）配置终端设备

  1. PC-1：
  2. 192.168.6.1
  3. 255.255.255.0
  4. 192.168.6.254
  5. PC-2：
  6. 192.168.2.1
  7. 255.255.255.0
  8. 192.168.2.254

2）配置交换机

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname SW1
  5. [SW1]vlan batch 6 10 20
  6. [SW1]interface GigabitEthernet 0/0/1
  7. [SW1–GigabitEthernet0/0/1]port link–type access
  8. [SW1–GigabitEthernet0/0/1]port default vlan 10
  9. [SW1–GigabitEthernet0/0/1]quit
  10. [SW1]interface GigabitEthernet 0/0/2
  11. [SW1–GigabitEthernet0/0/2]port link–type access
  12. [SW1–GigabitEthernet0/0/2]port default vlan 20
  13. [SW1–GigabitEthernet0/0/2]quit
  14. [SW1]interface GigabitEthernet 0/0/3
  15. [SW1–GigabitEthernet0/0/3]port link–type access
  16. [SW1–GigabitEthernet0/0/3]port default vlan 6
  17. [SW1–GigabitEthernet0/0/3]quit
  19. [SW1]interface Vlanif 6
  20. [SW1–Vlanif6]ip address 192.168.6.254 24
  21. [SW1–Vlanif6]quit
  22. [SW1]interface Vlanif 10
  23. [SW1–Vlanif10]ip address 192.168.10.1 24
  24. [SW1–Vlanif10]quit
  25. [SW1]interface Vlanif 20
  26. [SW1–Vlanif20]ip address 192.168.20.1 24
  27. [SW1–Vlanif20]quit

3）配置路由器

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface gi0/0/0
  5. [R1–GigabitEthernet0/0/0]ip address 192.168.10.2 24
  6. [R1–GigabitEthernet0/0/0]quit
  7. [R1]interface gi0/0/1
  8. [R1–GigabitEthernet0/0/1]ip address 192.168.13.1 24
  9. [R1–GigabitEthernet0/0/1]quit
  10. [R1]ip route–static 0.0.0.0 0 192.168.13.3
  12. <Huawei>undo terminal monitor
  13. <Huawei>system–view
  14. [Huawei]sysname R2
  15. [R2]interface gi0/0/0
  16. [R2–GigabitEthernet0/0/0]ip address 192.168.20.2 24
  17. [R2–GigabitEthernet0/0/0]quit
  18. [R2]interface gi0/0/2
  19. [R2–GigabitEthernet0/0/2]ip address 192.168.23.2 24
  20. [R2–GigabitEthernet0/0/2]quit
  21. [R2]ip route–static 0.0.0.0 0 192.168.23.3
  23. <Huawei>undo terminal monitor
  24. <Huawei>system–view
  25. [Huawei]sysname R3
  26. [R3]interface GigabitEthernet 0/0/1
  27. [R3–GigabitEthernet0/0/1]ip address 192.168.13.3 24
  28. [R3–GigabitEthernet0/0/1]quit
  29. [R3]interface GigabitEthernet 0/0/2
  30. [R3–GigabitEthernet0/0/2]ip address 192.168.23.3 24
  31. [R3–GigabitEthernet0/0/2]quit
  32. [R3]interface gi0/0/0
  33. [R3–GigabitEthernet0/0/0]ip address 192.168.2.254 24
  34. [R3–GigabitEthernet0/0/0]quit

4）配置基本的OSPF

  1. [SW1]ospf 1 router–id 6.6.6.6
  2. [SW1–ospf-1]area 0
  3. [SW1–ospf-1–area-0.0.0.0]network 192.168.6.0 0.0.0.255
  4. [SW1–ospf-1–area-0.0.0.0]network 192.168.10.0 0.0.0.255
  5. [SW1–ospf-1–area-0.0.0.0]network 192.168.20.0 0.0.0.255
  6. [SW1–ospf-1–area-0.0.0.0]quit
  8. [R1]ospf 1 router–id 1.1.1.1
  9. [R1–ospf-1]area 0
  10. [R1–ospf-1–area-0.0.0.0]network 192.168.10.0 0.0.0.255
  11. [R1–ospf-1–area-0.0.0.0]quit
  13. [R2]ospf 1 router–id 2.2.2.2
  14. [R2–ospf-1]area 0
  15. [R2–ospf-1–area-0.0.0.0]network 192.168.20.0 0.0.0.255
  16. [R2–ospf-1–area-0.0.0.0]quit

5）配置OSPF默认路由

  1. [R1]ospf 1
  2. [R1–ospf-1]default–route–advertise
  4. [R2]ospf 1
  5. [R2–ospf-1]default–route–advertise cost 2

6）配置浮动静态路由

  1. [R3]ip route–static 192.168.6.0 24 192.168.13.1
  2. [R3]ip route–static 192.168.6.0 24 192.168.23.2 preference 100

7）测试 PC-1和 PC-2 之间的连通性

  1. PC-1>ping 192.168.2.1
  3. Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
  4. From 192.168.2.1: bytes=32 seq=1 ttl=125 time=47 ms
  5. From 192.168.2.1: bytes=32 seq=2 ttl=125 time=47 ms
  6. From 192.168.2.1: bytes=32 seq=3 ttl=125 time=32 ms
  7. From 192.168.2.1: bytes=32 seq=4 ttl=125 time=31 ms
  8. From 192.168.2.1: bytes=32 seq=5 ttl=125 time=47 ms
  10. — 192.168.2.1 ping statistics —
  11. 5 packet(s) transmitted
  12. 5 packet(s) received
  13. 0.00% packet loss
  14. round–trip min/avg/max = 31/40/47 ms
  17. PC-2>ping 192.168.6.1
  19. Ping 192.168.6.1: 32 data bytes, Press Ctrl_C to break
  20. From 192.168.6.1: bytes=32 seq=1 ttl=125 time=47 ms
  21. From 192.168.6.1: bytes=32 seq=2 ttl=125 time=31 ms
  22. From 192.168.6.1: bytes=32 seq=3 ttl=125 time=62 ms
  23. From 192.168.6.1: bytes=32 seq=4 ttl=125 time=63 ms
  24. From 192.168.6.1: bytes=32 seq=5 ttl=125 time=62 ms
  26. — 192.168.6.1 ping statistics —
  27. 5 packet(s) transmitted
  28. 5 packet(s) received
  29. 0.00% packet loss
  30. round–trip min/avg/max = 31/53/63 ms

6 案例：配置 OSPF 特殊区域

6.1 问题

  1. 如图，配置设备 IP 地址和 OSPF 区域
  2. R6 与 R7 之间不运行 OSPF，通过静态路由互通
  3. 区域 12 没有外部路由
  4. 确保 PC-1 与 PC-3 可以互通

6.2 方案

搭建实验环境，如图-6所示。

OSPF数据库概述 、 4/5类LSA介绍 、 特殊区域之stub 、 OSFP路由引入 、 3类LSA介绍 、 1/2 类LSA介绍图-6

6.3 步骤

实现此案例需要按照如下步骤进行。

1）配置IP地址，设置OSPF区域

  1. <Huawei>undo terminal monitor
  2. <Huawei>system–view
  3. [Huawei]sysname R1
  4. [R1]interface GigabitEthernet 0/0/0
  5. [R1–GigabitEthernet0/0/0]ip add 192.168.12.1 24
  6. [R1–GigabitEthernet0/0/0]quit
  7. [R1]interface GigabitEthernet 0/0/2
  8. [R1–GigabitEthernet0/0/2]ip add 192.168.1.254 24
  9. [R1–GigabitEthernet0/0/2]quit
  10. [R1]ospf 1 router–id 1.1.1.1
  11. [R1–ospf-1]area 12
  12. [R1–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  13. [R1–ospf-1–area-0.0.0.12]network 192.168.1.0 0.0.0.255
  14. [R1–ospf-1–area-0.0.0.12]quit
  16. <Huawei>undo terminal monitor
  17. <Huawei>system–view
  18. [Huawei]sysname R2
  19. [R2]interface GigabitEthernet 0/0/1
  20. [R2–GigabitEthernet0/0/1]ip add 192.168.12.2 24
  21. [R2–GigabitEthernet0/0/1]quit
  22. [R2]interface GigabitEthernet 0/0/0
  23. [R2–GigabitEthernet0/0/0]ip add 192.168.23.2 24
  24. [R2–GigabitEthernet0/0/0]quit
  25. [R2]ospf 1 router–id 2.2.2.2
  26. [R2–ospf-1]area 12
  27. [R2–ospf-1–area-0.0.0.12]network 192.168.12.0 0.0.0.255
  28. [R2–ospf-1–area-0.0.0.12]quit
  29. [R2–ospf-1]area 0
  30. [R2–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  31. [R2–ospf-1–area-0.0.0.0]quit
  33. <Huawei>undo terminal monitor
  34. <Huawei>system–view
  35. [Huawei]sysname R3
  36. [R3]interface GigabitEthernet 0/0/1
  37. [R3–GigabitEthernet0/0/1]ip add 192.168.23.3 24
  38. [R3–GigabitEthernet0/0/1]quit
  39. [R3]interface GigabitEthernet 0/0/0
  40. [R3–GigabitEthernet0/0/0]ip add 192.168.34.3 24
  41. [R3–GigabitEthernet0/0/0]quit
  42. [R3]ospf 1 router–id 3.3.3.3
  43. [R3–ospf-1]area 0
  44. [R3–ospf-1–area-0.0.0.0]network 192.168.23.0 0.0.0.255
  45. [R3–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  46. [R3–ospf-1–area-0.0.0.0]quit
  48. <Huawei>undo terminal monitor
  49. <Huawei>system–view
  50. [Huawei]sysname R4
  51. [R4]interface GigabitEthernet 0/0/1
  52. [R4–GigabitEthernet0/0/1]ip add 192.168.34.4 24
  53. [R4–GigabitEthernet0/0/1]quit
  54. [R4]interface GigabitEthernet 0/0/0
  55. [R4–GigabitEthernet0/0/0]ip add 192.168.45.4 24
  56. [R4–GigabitEthernet0/0/0]quit
  57. [R4]ospf 1 router–id 4.4.4.4
  58. [R4–ospf-1]area 0
  59. [R4–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  60. [R4–ospf-1–area-0.0.0.0]network 192.168.34.0 0.0.0.255
  61. [R4–ospf-1–area-0.0.0.0]quit
  63. <Huawei>undo terminal monitor
  64. <Huawei>system–view
  65. [Huawei]sysname R5
  66. [R5]interface GigabitEthernet 0/0/1
  67. [R5–GigabitEthernet0/0/1]ip add 192.168.45.5 24
  68. [R5–GigabitEthernet0/0/1]quit
  69. [R5]interface GigabitEthernet 0/0/0
  70. [R5–GigabitEthernet0/0/0]ip add 192.168.56.5 24
  71. [R5–GigabitEthernet0/0/0]quit
  72. [R5]ospf 1 router–id 5.5.5.5
  73. [R5–ospf-1]area 56
  74. [R5–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  75. [R5–ospf-1–area-0.0.0.56]quit
  76. [R5–ospf-1]area 0
  77. [R5–ospf-1–area-0.0.0.0]network 192.168.45.0 0.0.0.255
  78. [R5–ospf-1–area-0.0.0.0]quit
  80. <Huawei>undo terminal monitor
  81. <Huawei>system–view
  82. [Huawei]sysname R6
  83. [R6]interface GigabitEthernet 0/0/0
  84. [R6–GigabitEthernet0/0/0]ip add 192.168.67.6 24
  85. [R6–GigabitEthernet0/0/0]quit
  86. [R6]interface GigabitEthernet 0/0/1
  87. [R6–GigabitEthernet0/0/1]ip add 192.168.56.6 24
  88. [R6–GigabitEthernet0/0/1]quit
  89. [R6]interface GigabitEthernet 0/0/2
  90. [R6–GigabitEthernet0/0/2]ip add 192.168.2.254 24
  91. [R6–GigabitEthernet0/0/2]quit
  92. [R6]ospf 1 router–id 6.6.6.6
  93. [R6–ospf-1]area 56
  94. [R6–ospf-1–area-0.0.0.56]network 192.168.56.0 0.0.0.255
  95. [R6–ospf-1–area-0.0.0.56]network 192.168.2.0 0.0.0.255
  96. [R6–ospf-1–area-0.0.0.56]quit
  98. <Huawei>undo terminal monitor
  99. <Huawei>system–view
  100. [Huawei]sysname R7
  101. [R7]interface GigabitEthernet 0/0/1
  102. [R7–GigabitEthernet0/0/0]ip add 192.168.67.7 24
  103. [R7–GigabitEthernet0/0/0]quit
  104. [R7]interface GigabitEthernet 0/0/2
  105. [R7–GigabitEthernet0/0/2]ip add 192.168.3.254 24
  106. [R7–GigabitEthernet0/0/2]quit
  108. [R7]ip route–static 192.168.0.0 16 192.168.67.6

2）配置 R6 与 R7 之间的互通路由，并引入 OSPF

  1. [R6]ip route–static 192.168.3.0 24 192.168.67.7
  3. [R6]ospf 1
  4. [R6–ospf-1]import–route static

3）配置区域12 为特殊区域

  1. [R1]ospf 1
  2. [R1–ospf-1]area 12
  3. [R1–ospf-1–area-0.0.0.12]stub
  4. [R1–ospf-1–area-0.0.0.12]quit
  6. [R2]ospf 1
  7. [R2–ospf-1]area 12
  8. [R2–ospf-1–area-0.0.0.12]stub
  9. [R2–ospf-1–area-0.0.0.12]quit

3）确保PC-1/2 与 PC3之间的互通

  1. PC-1>ping 192.168.3.1
  2. Ping 192.168.3.1: 32 data bytes, Press Ctrl_C to break
  3. From 192.168.3.1: bytes=32 seq=1 ttl=125 time=31 ms
  4. From 192.168.3.1: bytes=32 seq=2 ttl=125 time=31 ms
  5. From 192.168.3.1: bytes=32 seq=3 ttl=125 time=16 ms
  6. From 192.168.3.1: bytes=32 seq=4 ttl=125 time=16 ms
  7. From 192.168.3.1: bytes=32 seq=5 ttl=125 time=31 ms
  9. — 192.168.3.1 ping statistics —
  10. 5 packet(s) transmitted
  13. PC-2>ping 192.168.3.1
  14. Ping 192.168.3.1: 32 data bytes, Press Ctrl_C to break
  15. From 192.168.3.1: bytes=32 seq=1 ttl=125 time=31 ms
  16. From 192.168.3.1: bytes=32 seq=2 ttl=125 time=31 ms
  17. From 192.168.3.1: bytes=32 seq=3 ttl=125 time=16 ms
  18. From 192.168.3.1: bytes=32 seq=4 ttl=125 time=16 ms
  19. From 192.168.3.1: bytes=32 seq=5 ttl=125 time=31 ms
  21. — 192.168.3.1 ping statistics —
  22. 5 packet(s) transmitted[/hidecontent]

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OSPF单区域配置 、 OSPF 多区域配置 、 OSPF 链路解析 、 OSPF协议概述 、 OSPF 综合案例

2021-12-27 14:37:19

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OSPFv3配置 、 特殊区域之NSSA 、 OSPF安全认证 、 IPv6协议介绍 、 OSPF 虚链路 、 OSPF 路由汇总

2021-12-27 14:41:07

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