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Basic configuration: cisco switch configuration vlan (3)

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How to perform port aggregation-Trunk connection

If you want to configure a Trunk connection between two 6509 sets, First connect the second 6509 with a gigabit optical fiber, and then configure the trunk of the two connected ports separately, you can use only one pair of optical fiber, or use two pairs of Optical Fiber port channels. The configuration is as follows:

When one pair of optical fiber cables are connected, the following configurations are performed on two 65 optical fiber cables:

 
 
    
  
  
  1. interface GigabitEthernet1/1  
    2. 
  
  
  2.  
    3. 
  
  
  3. no ip address  
    4. 
  
  
  4.  
    5. 
  
  
  5. switchport  
    6. 
  
  
  6.  
    7. 
  
  
  7. switchport trunk encapsulation dot1q  
    8. 
  
  
  8.  
    9. 
  
  
  9. switchport trunk native vlan 1 
    10.

When connecting two pairs of optical fiber cables, you must configure port Channels on two 65 pairs respectively:

 
 
    
  
  
  1. interface port-channe1  
    2. 
  
  
  2.  
    3. 
  
  
  3. no ip address  
    4. 
  
  
  4.  
    5. 
  
  
  5. switchport  
    6. 
  
  
  6.  
    7. 
  
  
  7. switchport trunk encapsulation dot1q  
    8. 
  
  
  8.  
    9. 
  
  
  9. switchport trunk native vlan 1  
    10. 
  
  
  10.  
    11. 
  
  
  11. !  
    12. 
  
  
  12.  
    13. 
  
  
  13. interface GigabitEthernet1/1  
    14. 
  
  
  14.  
    15. 
  
  
  15. no ip address  
    16. 
  
  
  16.  
    17. 
  
  
  17. duplex full  
    18. 
  
  
  18.  
    19. 
  
  
  19. speed 1000  
    20. 
  
  
  20.  
    21. 
  
  
  21. switchport mode trunk  
    22. 
  
  
  22.  
    23. 
  
  
  23. switchport trunk encapsulation dot1q  
    24. 
  
  
  24.  
    25. 
  
  
  25. switchport trunk native vlan 1  
    26. 
  
  
  26.  
    27. 
  
  
  27. channel-group 1 mode on  
    28. 
  
  
  28.  
    29. 
  
  
  29. !  
    30. 
  
  
  30.  
    31. 
  
  
  31. interface GigabitEthernet1/2  
    32. 
  
  
  32.  
    33. 
  
  
  33. no ip address  
    34. 
  
  
  34.  
    35. 
  
  
  35. duplex full  
    36. 
  
  
  36.  
    37. 
  
  
  37. speed 1000  
    38. 
  
  
  38.  
    39. 
  
  
  39. switchport mode trunk  
    40. 
  
  
  40.  
    41. 
  
  
  41. switchport trunk encapsulation dot1q  
    42. 
  
  
  42.  
    43. 
  
  
  43. switchport trunk native vlan 1  
    44. 
  
  
  44.  
    45. 
  
  
  45. channel-group 1 mode on 
    46.

VTP Cropping

1) configure the VTP mode on the IOS-based switch:

 
 
    
  
  
  1. switch# vlan database  
    2. 
  
  
  2.  
    3. 
  
  
  3. switch(vlan)# vtp domain domain-name  
    4. 
  
  
  4.  
    5. 
  
  
  5. switch(vlan)# vtp {sever|cilent|transparent}  
    6. 
  
  
  6.  
    7. 
  
  
  7. switch(vlan)# vtp password password 
    8.

Configure the VTP mode on a CLI-based switch:

 
 
    
  
  
  1. switch(enable) set vtp [domain domain-name] [mode{ sever|cilent|transparent }][password password] 
    2.

2) configure the VTP version on the IOS-based switch:

 
 
    
  
  
  1. switch# vlan database  
    2. 
  
  
  2.  
    3. 
  
  
  3. switch(vlan)# vtp v2-mode 
    4.

Configure the VTP version on the CLI-based switch:

 
 
    
  
  
  1. switch(enable) set vtp v2 enable 
    2.

3) Enable VTP tailoring on the IOS-based switch:

 
 
    
  
  
  1. switch# vlan database  
    2. 
  
  
  2.  
    3. 
  
  
  3. switch(vlan)# vtp pruning 
    4.

Start VTP tailoring on a CLI-based switch:

 
 
    
  
  
  1. switch(enable) set vtp pruning enable 
    2.

The configurations of Trunk and VTP have been described.

  1. Typical VLAN-VPN Configuration
  2. Typical configurations of multicast VLAN
  3. Port-based VLAN Configuration Guide
  4. Basic configuration: cisco switch configuration vlan1)
  5. Basic configuration: cisco switch configuration vlan2)

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