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Detailed explanation of the policy routing configuration statement of the CISCO Route Switch

Source: Internet
Author: User
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With the development of China's routing industry and the upgrade of the routing technology, we will introduce the source address/policy routing configuration of the CISCO Routing Switch. The CISCO Route switch performs Policy Routing. Because the original IOS image file of ipv7r does not support source address-Based Policy Routing, after searching the version description on the CISCO website, upgrade the IOS file, ciscostm7r is connected to two ISPinternet and ISP2), followed by two small BRAS, and the IP address segments of different ISPs are configured in BRAS, and ipv7r performs Policy Routing Based on the source address. The configuration of a CISCO Route switch is as follows.

 
 
    
  
  
  1. 4507#sh run  
    2. 
  
  
  2. Building configuration...  
    3. 
  
  
  3. Current configuration : 2104 bytes  
    4. 
  
  
  4. !  
    5. 
  
  
  5. version 12.1  
    6. 
  
  
  6. no service pad  
    7. 
  
  
  7. service timestamps debug uptime  
    8. 
  
  
  8. service timestamps log uptime  
    9. 
  
  
  9. service password-encryption  
    10. 
  
  
  10. service compress-config  
    11. 
  
  
  11. !  
    12. 
  
  
  12. hostname 4507  
    13. 
  
  
  13. !  
    14. 
  
  
  14. boot system flash bootflash:cat4000-i5s-mz.121-20.EW.bin  
    15. 
  
  
  15. boot system flash bootflash:cat4000-is-mz.121-12c.EW1.bin  
    16. 
  
  
  16. enable password 7 06571E20561C1E0A1D  
    17. 
  
  
  17. !  
    18. 
  
  
  18. ip subnet-zero  
    19. 
  
  
  19. !  
    20. 
  
  
  20. spanning-tree extend system-id  
    21. 
  
  
  21. !  
    22. 
  
  
  22. redundancy  
    23. 
  
  
  23. mode rpr  
    24. 
  
  
  24. main-cpu  
    25. 
  
  
  25. auto-sync standard  
    26. 
  
  
  26. !  
    27. 
  
  
  27. !  
    28. 
  
  
  28. interface GigabitEthernet1/1  
    29. 
  
  
  29. description to Internet  
    30. 
  
  
  30. no switchport  
    31. 
  
  
  31. ip address 222.112.123.110 255.255.255.252  
    32. 
  
  
  32. !  
    33. 
  
  
  33. interface GigabitEthernet1/2  
    34. 
  
  
  34. !  
    35. 
  
  
  35. interface GigabitEthernet3/1  
    36. 
  
  
  36. description to bras1  
    37. 
  
  
  37. no switchport  
    38. 
  
  
  38. ip address 162.153.123.113 255.255.255.252  
    39. 
  
  
  39. ip policy route-map isp2  
    40. 
  
  
  40. speed nonegotiate  
    41. 
  
  
  41. !  
    42. 
  
  
  42. interface GigabitEthernet3/2  
    43. 
  
  
  43. description to bras2  
    44. 
  
  
  44. no switchport  
    45. 
  
  
  45. ip address 162.153.123.117 255.255.255.252  
    46. 
  
  
  46. ip policy route-map isp2  
    47. 
  
  
  47. speed nonegotiate  
    48. 
  
  
  48. !  
    49. 
  
  
  49. interface GigabitEthernet3/3  
    50. 
  
  
  50. !  
    51. 
  
  
  51. interface GigabitEthernet3/4  
    52. 
  
  
  52. !  
    53. 
  
  
  53. interface GigabitEthernet3/5  
    54. 
  
  
  54. !  
    55. 
  
  
  55. interface GigabitEthernet3/6  
    56. 
  
  
  56. !  
    57. 
  
  
  57. interface GigabitEthernet4/1  
    58. 
  
  
  58. description to isp2  
    59. 
  
  
  59. no switchport  
    60. 
  
  
  60. ip address 211.211.44.254 255.255.255.252  
    61. 
  
  
  61. speed nonegotiate  
    62. 
  
  
  62. !  
    63. 
  
  
  63. interface GigabitEthernet4/2  
    64. 
  
  
  64. !  
    65. 
  
  
  65. interface GigabitEthernet4/3  
    66. 
  
  
  66. !  
    67. 
  
  
  67. interface GigabitEthernet4/4  
    68. 
  
  
  68. !  
    69. 
  
  
  69. interface GigabitEthernet4/5  
    70. 
  
  
  70. !  
    71. 
  
  
  71. interface GigabitEthernet4/6  
    72. 
  
  
  72. !  
    73. 
  
  
  73. interface Vlan1  
    74. 
  
  
  74. no ip address  
    75. 
  
  
  75. !  
    76. 
  
  
  76. ip classless  
    77. 
  
  
  77. ip route 0.0.0.0 0.0.0.0 222.112.123.109  
    78. 
  
  
  78. ip route 211.211.218.0 255.255.252.0 162.153.123.113  
    79. 
  
  
  79. ip route 211.211.232.0 255.255.254.0 162.153.123.117  
    80. 
  
  
  80. ip route 222.122.16.0 255.255.252.0 162.153.123.113  
    81. 
  
  
  81. ip route 221.122.20.0 255.255.252.0 162.153.123.117  
    82. 
  
  
  82. no ip http server  
    83. 
  
  
  83. !  
    84. 
  
  
  84. access-list 10 permit 211.211.218.0 0.0.3.255  
    85. 
  
  
  85. access-list 10 permit 211.211.232.0 0.0.1.255  
    86. 
  
  
  86. route-map edu permit 10  
    87. 
  
  
  87. match ip address 10  
    88. 
  
  
  88. set ip next-hop 211.211.44.253  
    89. 
  
  
  89. !  
    90. 
  
  
  90. !  
    91. 
  
  
  91. !  
    92. 
  
  
  92. line con 0  
    93. 
  
  
  93. stopbits 1  
    94. 
  
  
  94. line vty 0 4  
    95. 
  
  
  95. exec-timeout 3 0  
    96. 
  
  
  96. password 7 06571E20561C1E0A1D  
    97. 
  
  
  97. login  
    98. 
  
  
  98. line vty 5 15  
    99. 
  
  
  99. exec-timeout 3 0  
    100. 
  
  
  100. password 7 03554A0A1C5D365F56  
    101. 
  
  
  101. login  
    102. 
  
  
  102. !  
    103. 
  
  
  103. !  
    104. 
  
  
  104. end  
    105. 
  
  
  105.  
    106.

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