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    1. #配置交换部分
    2. #三层交换机配置trunk口
    3. CORE-1(config)#int range f0/1 - 3
    4. CORE-1(config-if-range)#switchport trunk encapsulation dot1q 
    5. CORE-1(config-if-range)#switchport mode trunk
    7. CORE-2(config)#int range f0/1 - 3
    8. CORE-2(config-if-range)#switchport trunk encapsulation dot1q 
    9. CORE-1(config-if-range)#switchport mode trunk
    11. #二层交换机配置trunk口
    12. SW-1(config)#int range f0/3 - 4
    13. SW-1(config-if-range)#switchport mode trunk
    15. SW-2(config)#int range f0/3 - 4
    16. SW-2(config-if-range)#switchport mode trunk
    18. #三层交换机配置VTP
    19. CORE-1(config)#vtp domain fx
    20. Changing VTP domain name from NULL to fx
    21. CORE-1(config)#vlan 10
    22. CORE-1(config-vlan)#exit
    23. CORE-1(config)#vlan 20
    24. CORE-1(config-vlan)#exit
    25. CORE-1(config)#vlan 30
    26. CORE-1(config-vlan)#exit
    27. CORE-1(config)#vlan 40
    28. CORE-1(config-vlan)#exit
    30. #二层交换机接入VLAN
    31. SW-1(config)#int f0/1
    32. SW-1(config-if)#switchport access vlan 10
    33. SW-1(config-if)#exit
    34. SW-1(config)#int f0/2
    35. SW-1(config-if)#switchport access vlan 20
    36. SW-1(config-if)#exit
    38. SW-2(config)#int f0/1
    39. SW-2(config-if)#switchport access vlan 30
    40. SW-2(config-if)#exit
    41. SW-2(config)#int f0/2
    42. SW-2(config-if)#switchport access vlan 40
    43. SW-2(config-if)#exit
    45. CORE-1(config)#ip routing
    46. CORE-1(config)#int vlan 10
    47. CORE-1(config-if)#ip address 10.1.1.252 255.255.255.0
    48. CORE-1(config-if)#no shutdown 
    49. CORE-1(config-if)#exit
    50. CORE-1(config)#int vlan 20
    51. CORE-1(config-if)#ip address 20.1.1.252 255.255.255.0
    52. CORE-1(config-if)#no shutdown 
    53. CORE-1(config-if)#exit
    54. CORE-1(config)#int vlan 30
    55. CORE-1(config-if)#ip address 30.1.1.252 255.255.255.0
    56. CORE-1(config-if)#no shutdown
    57. CORE-1(config-if)#exit
    58. CORE-1(config)#int vlan 40
    59. CORE-1(config-if)#ip address 40.1.1.252 255.255.255.0
    60. CORE-1(config-if)#no shutdown
    61. CORE-1(config-if)#exit
    63. CORE-2(config)#ip routing
    64. CORE-2(config)#int vlan 10
    65. CORE-2(config-if)#ip address 10.1.1.253 255.255.255.0
    66. CORE-2(config-if)#no shutdown
    67. CORE-2(config-if)#exit
    68. CORE-2(config)#int vlan 20
    69. CORE-2(config-if)#ip address 20.1.1.253 255.255.255.0
    70. CORE-2(config-if)#no shutdown 
    71. CORE-2(config-if)#exit
    72. CORE-2(config)#int vlan 30
    73. CORE-2(config-if)#ip address 30.1.1.253 255.255.255.0
    74. CORE-2(config-if)#no shutdown
    75. CORE-2(config-if)#exit
    76. CORE-2(config)#int vlan 40
    77. CORE-2(config-if)#ip address 40.1.1.253 255.255.255.0
    78. CORE-2(config-if)#no shutdown
    79. CORE-2(config-if)#exit
    81. CORE-1(config)#int vlan 10
    82. CORE-1(config-if)#standby 10 ip 10.1.1.254
    83. CORE-1(config-if)#standby 10 priority 200
    84. CORE-1(config-if)#standby 10 preempt 
    85. CORE-1(config-if)#standby 10 track f0/4
    86. CORE-1(config-if)#exit
    88. CORE-1(config)#int vlan 20
    89. CORE-1(config-if)#standby 20 ip 20.1.1.254
    90. CORE-1(config-if)#standby 20 priority 200
    91. CORE-1(config-if)#standby 20 preempt 
    92. CORE-1(config-if)#standby 20 track f0/4
    93. CORE-1(config-if)#exit
    95. CORE-1(config)#int vlan 30
    96. CORE-1(config-if)#standby 30 ip 30.1.1.254
    97. CORE-1(config-if)#standby 30 priority 195
    98. CORE-1(config-if)#standby 30 preempt
    99. CORE-1(config-if)#exit
    101. CORE-1(config)#int vlan 40
    102. CORE-1(config-if)#standby 40 ip 40.1.1.254
    103. CORE-1(config-if)#standby 40 priority 195
    104. CORE-1(config-if)#standby 40 preempt 
    105. CORE-1(config-if)#exit
    107. CORE-2(config)#int vlan 10
    108. CORE-2(config-if)#standby 10 ip 10.1.1.254
    109. CORE-2(config-if)#standby 10 priority 195
    110. CORE-2(config-if)#standby 10 preempt 
    111. CORE-2(config-if)#exit
    112. CORE-2(config)#int vlan 20
    113. CORE-2(config-if)#standby 20 ip 20.1.1.254
    114. CORE-2(config-if)#standby 20 priority 195
    115. CORE-2(config-if)#standby 20 preempt 
    116. CORE-2(config-if)#exit
    117. CORE-2(config)#int vlan 30
    118. CORE-2(config-if)#standby 30 ip 30.1.1.254
    119. CORE-2(config-if)#standby 30 priority 200
    120. CORE-2(config-if)#standby 30 preempt 
    121. CORE-2(config-if)#standby 30 track f0/4
    122. CORE-2(config-if)#exit
    123. CORE-2(config)#int vlan 40
    124. CORE-2(config-if)#standby 40 ip 40.1.1.254
    125. CORE-2(config-if)#standby 40 priority 200
    126. CORE-2(config-if)#standby 40 preempt
    127. CORE-2(config-if)#standby 40 track f0/4
    128. CORE-2(config-if)#exit
    130. #四台PC配置好IP，此时内网中已经可以实现互通
    132. #配置路由部分
    133. CORE-1(config)#int f0/4
    134. CORE-1(config-if)#no switchport 
    135. CORE-1(config-if)#ip add 50.1.1.2 255.255.255.0
    136. CORE-1(config-if)#no shutdown
    138. CORE-2(config)#int f0/4
    139. CORE-2(config-if)#no switchport 
    140. CORE-2(config-if)#ip address 60.1.1.2 255.255.255.0
    141. CORE-2(config-if)#no shutdown
    143. R1(config)#int f0/0
    144. R1(config-if)#ip address 50.1.1.1 255.255.255.0
    145. R1(config-if)#no shutdown
    146. R1(config-if)#exit
    147. R1(config)#int f0/1
    148. R1(config-if)#ip address 60.1.1.1 255.255.255.0
    149. R1(config-if)#no shutdown
    150. R1(config-if)#exit
    151. R1(config)#int f1/0
    152. R1(config-if)#ip address 70.1.1.1 255.255.255.0
    153. R1(config-if)#no shutdown
    154. R1(config-if)#exit
    156. R2(config)#int f0/0
    157. R2(config-if)#ip address 70.1.1.2 255.255.255.0
    158. R2(config-if)#no shutdown
    159. R2(config-if)#exit
    160. R2(config)#int f0/1
    161. R2(config-if)#ip address 80.1.1.1 255.255.255.0
    162. R2(config-if)#no shutdown
    163. R2(config-if)#exit
    165. R3(config)#int f0/0
    166. R3(config-if)#ip address 80.1.1.2 255.255.255.0
    167. R3(config-if)#no shutdown
    168. R3(config-if)#exit
    169. R3(config)#int f0/1
    170. R3(config-if)#ip address 90.1.1.254 255.255.255.0
    171. R3(config-if)#no shutdown
    172. R3(config-if)#exit
    174. CORE-1(config)#ip route 0.0.0.0 0.0.0.0 50.1.1.1
    175. CORE-2(config)#ip route 0.0.0.0 0.0.0.0 60.1.1.1
    177. R3(config)#ip route 0.0.0.0 0.0.0.0 80.1.1.1
    179. R2(config)#ip route 90.1.1.0 255.255.255.0 80.1.1.2
    180. R2(config)#ip route 0.0.0.0 0.0.0.0 70.1.1.1
    182. R1(config)#ip route 80.1.1.0 255.255.255.0 70.1.1.2
    183. R1(config)#ip route 90.1.1.0 255.255.255.0 70.1.1.2
    184. R1(config)#ip route 10.1.1.0 255.255.255.0 50.1.1.2
    185. R1(config)#ip route 20.1.1.0 255.255.255.0 50.1.1.2
    186. R1(config)#ip route 10.1.1.0 255.255.255.0 60.1.1.2 2
    187. R1(config)#ip route 20.1.1.0 255.255.255.0 60.1.1.2 2
    188. R1(config)#ip route 30.1.1.0 255.255.255.0 60.1.1.2
    189. R1(config)#ip route 40.1.1.0 255.255.255.0 60.1.1.2
    190. R1(config)#ip route 30.1.1.0 255.255.255.0 50.1.1.2 2
    191. R1(config)#ip route 40.1.1.0 255.255.255.0 50.1.1.2 2

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