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  1. 基础交换网络设计
  2. DHCP 服务器部署

1 基础交换网络设计

1.1 问题

1)如图连接网络设备

2)不同的设备属于不同的 VLAN

3)配置交换机,确保相同 VLAN 的设备可以互通

1.2 方案

搭建实验环境,如图 - 1 所示。

CASE - 图1

图 - 1

1.3 步骤

实现此案例需要按照如下步骤进行。

1)在每个交换机上,批量创建相同的 VLAN

  1. 1. <Huawei>system-view //进入系统模式
  2. 2. \[Huawei\]sysname SWx//更改设备名称(x表示 1~8,10)
  3. 4. \[SWx\]vlan batch 10 20 30 40 66 88

2)交换机之间的链路,配置为 Trunk,并允许所有的 VLAN 通过

  1. 1. \[SW1\]port-group group-member gi0/0/11 gi0/0/12
  2. 2. \[SW1-port-group\]port link-type trunk
  3. 3. \[SW1-port-group\]port trunk allow-pass vlan all
  4. 4. \[SW1-port-group\]quit
  5. 5. \[SW2\]port-group group-member gi0/0/11 gi0/0/12
  6. 6. \[SW2-port-group\]port link-type trunk
  7. 7. \[SW2-port-group\]port trunk allow-pass vlan all
  8. 8. \[SW2-port-group\]quit
  9. 9. \[SW3\]port-group group-member gi0/0/11 gi0/0/12
  10. 10. \[SW3-port-group\]port link-type trunk
  11. 11. \[SW3-port-group\]port trunk allow-pass vlan all
  12. 12. \[SW3-port-group\]quit
  13. 13. \[SW4\]port-group group-member gi0/0/11 gi0/0/12 gi0/0/23
  14. 14. \[SW4-port-group\]port link-type trunk
  15. 15. \[SW4-port-group\]port trunk allow-pass vlan all
  16. 16. \[SW4-port-group\]quit
  17. 17. \[SW5\]port-group group-member gi0/0/1 to gi0/0/4 gi0/0/9 gi0/0/10 gi0/0/20
  18. 18. \[SW5-port-group\]port link-type trunk
  19. 19. \[SW5-port-group\]port trunk allow-pass vlan all
  20. 20. \[SW5-port-group\]quit
  21. 21. \[SW6\]port-group group-member gi0/0/1 to gi0/0/4 gi0/0/9 gi0/0/10 gi0/0/20 gi0/0/24
  22. 22. \[SW6-port-group\]port link-type trunk
  23. 23. \[SW6-port-group\]port trunk allow-pass vlan all
  24. 24. \[SW6-port-group\]quit
  25. 25. \[SW7\]port-group group-member gi0/0/9 gi0/0/10 gi0/0/24
  26. 26. \[SW7-port-group\]port link-type trunk
  27. 27. \[SW7-port-group\]port trunk allow-pass vlan all
  28. 28. \[SW7-port-group\]quit
  29. 29. \[SW8\]port-group group-member gi0/0/9 gi0/0/10 gi0/0/24
  30. 30. \[SW8-port-group\]port link-type trunk
  31. 31. \[SW8-port-group\]port trunk allow-pass vlan all
  32. 32. \[SW8-port-group\]quit
  33. 33. \[SW10\]port-group group-member gi0/0/23 gi0/0/24
  34. 34. \[SW10-port-group\]port link-type trunk
  35. 35. \[SW10-port-group\]port trunk allow-pass vlan all
  36. 36. \[SW10-port-group\]quit

3)交换机和终端设备互联的端口,加入到正确的 VLAN

  1. 1. \[SW1\]interface GigabitEthernet 0/0/1
  2. 2. \[SW1-GigabitEthernet0/0/1\]port link-type access
  3. 3. \[SW1-GigabitEthernet0/0/1\]port default vlan 10
  4. 4. \[SW1-GigabitEthernet0/0/1\]quit
  5. 5. \[SW1\]interface GigabitEthernet 0/0/2
  6. 6. \[SW1-GigabitEthernet0/0/2\]port link-type access
  7. 7. \[SW1-GigabitEthernet0/0/2\]port default vlan 20
  8. 8. \[SW1-GigabitEthernet0/0/2\]quit
  9. 9. \[SW2\]interface GigabitEthernet 0/0/3
  10. 10. \[SW2-GigabitEthernet0/0/3\]port link-type access
  11. 11. \[SW2-GigabitEthernet0/0/3\]port default vlan 10
  12. 12. \[SW2-GigabitEthernet0/0/3\]quit
  13. 13. \[SW2\]interface GigabitEthernet 0/0/4
  14. 14. \[SW2-GigabitEthernet0/0/4\]port link-type access
  15. 15. \[SW2-GigabitEthernet0/0/4\]port default vlan 30
  16. 16. \[SW2-GigabitEthernet0/0/4\]quit
  17. 17. \[SW3\]interface GigabitEthernet 0/0/5
  18. 18. \[SW3-GigabitEthernet0/0/5\]port link-type access
  19. 19. \[SW3-GigabitEthernet0/0/5\]port default vlan 20
  20. 20. \[SW3-GigabitEthernet0/0/5\]quit
  21. 21. \[SW3\]interface GigabitEthernet 0/0/6
  22. 22. \[SW3-GigabitEthernet0/0/6\]port link-type access
  23. 23. \[SW3-GigabitEthernet0/0/6\]port default vlan 40
  24. 24. \[SW3-GigabitEthernet0/0/6\]quit
  25. 25. \[SW4\]interface GigabitEthernet 0/0/7
  26. 26. \[SW4-GigabitEthernet0/0/7\]port link-type access
  27. 27. \[SW4-GigabitEthernet0/0/7\]port default vlan 40
  28. 28. \[SW4-GigabitEthernet0/0/7\]quit
  29. 29. \[SW4\]interface GigabitEthernet 0/0/8
  30. 30. \[SW4-GigabitEthernet0/0/8\]port link-type access
  31. 31. \[SW4-GigabitEthernet0/0/8\]port default vlan 30
  32. 32. \[SW4-GigabitEthernet0/0/8\]quit
  33. 33. \[SW5\]interface GigabitEthernet 0/0/8
  34. 34. \[SW5-GigabitEthernet0/0/8\]port link-type access
  35. 35. \[SW5-GigabitEthernet0/0/8\]port default vlan 88
  36. 36. \[SW5-GigabitEthernet0/0/8\]quit
  37. 38. \[SW10\]interface GigabitEthernet 0/0/6
  38. 39. \[SW10-GigabitEthernet0/0/6\]port link-type access
  39. 40. \[SW10-GigabitEthernet0/0/6\]port default vlan 66
  40. 41. \[SW10-GigabitEthernet0/0/6\]quit

2 DHCP 服务器部署

2.1 问题

1)如图配置 IP 地址

2)DHCP 服务器属于 VLAN 66,网关部署在 SW6 上

3)DHCP 客户端分别属于 vlan10/20/30/40,网关配置在 SW6 上

2.2 方案

搭建实验环境,如图 - 2 所示。

CASE - 图2

图 - 2

2.3 步骤

实现此案例需要按照如下步骤进行。

1)配置终端设备 – PC1

设置 PC1-PC8 为 DHCP 客户端

2)配置 DHCP 服务器

  1. 1. <Huawei>system-view //进入系统模式
  2. 2. \[Huawei\]sysname DHCP//更改设备名称
  3. 3. \[DHCP\]interface gi0/0/0
  4. 4. \[DHCP-GigabitEthernet0/0/0\]ip address 192.168.66.1 24
  5. 5. \[DHCP-GigabitEthernet0/0/0\]quit
  6. 6. \[DHCP\]dhcp enable
  7. 7. \[DHCP\]ip pool VLAN10
  8. 8. \[DHCP-ip-pool-VLAN10\]network 192.168.10.0 mask 24
  9. 9. \[DHCP-ip-pool-VLAN10\]gateway-list 192.168.10.254
  10. 10. \[DHCP-ip-pool-VLAN10\]dns-list 8.8.8.8
  11. 11. \[DHCP-ip-pool-VLAN10\]quit
  12. 12. \[DHCP\]ip pool VLAN20
  13. 13. \[DHCP-ip-pool-VLAN20\]network 192.168.20.0 mask 24
  14. 14. \[DHCP-ip-pool-VLAN20\]gateway-list 192.168.20.254
  15. 15. \[DHCP-ip-pool-VLAN20\]dns-list 8.8.8.8
  16. 16. \[DHCP-ip-pool-VLAN20\]quit
  17. 17. \[DHCP\]ip pool VLAN30
  18. 18. \[DHCP-ip-pool-VLAN30\]network 192.168.30.0 mask 24
  19. 19. \[DHCP-ip-pool-VLAN30\]gateway-list 192.168.30.254
  20. 20. \[DHCP-ip-pool-VLAN30\]dns-list 8.8.8.8
  21. 21. \[DHCP-ip-pool-VLAN30\]quit
  22. 22. \[DHCP\]ip pool VLAN40
  23. 23. \[DHCP-ip-pool-VLAN40\]network 192.168.40.0 mask 24
  24. 24. \[DHCP-ip-pool-VLAN40\]gateway-list 192.168.40.254
  25. 25. \[DHCP-ip-pool-VLAN40\]dns-list 8.8.8.8
  26. 26. \[DHCP-ip-pool-VLAN40\]quit

3)配置 DHCP 中继

  1. 1. \[SW6\]dhcp enable
  2. 2. \[SW6\]interface vlanif 66
  3. 3. \[SW6-Vlanif66\]ip address 192.168.66.254 24
  4. 4. \[SW6-Vlanif66\]quit
  5. 5. \[SW6\]interface vlanif 10
  6. 6. \[SW6-Vlanif10\]ip address 192.168.10.254 quit
  7. 7. \[SW6-Vlanif10\]dhcp select relay
  8. 8. \[SW6-Vlanif10\]dhcp relay server-ip 192.168.66.1
  9. 9. \[SW6-Vlanif10\]quit
  10. 10. \[SW6\]interface vlanif 20
  11. 11. \[SW6-Vlanif20\]ip address 192.168.20.254 quit
  12. 12. \[SW6-Vlanif20\]dhcp select relay
  13. 13. \[SW6-Vlanif20\]dhcp relay server-ip 192.168.66.1
  14. 14. \[SW6-Vlanif20\]quit
  15. 15. \[SW6\]interface vlanif 30
  16. 16. \[SW6-Vlanif30\]ip address 192.168.30.254 quit
  17. 17. \[SW6-Vlanif30\]dhcp select relay
  18. 18. \[SW6-Vlanif30\]dhcp relay server-ip 192.168.66.1
  19. 19. \[SW6-Vlanif30\]quit
  20. 20. \[SW6\]interface vlanif 40
  21. 21. \[SW6-Vlanif40\]ip address 192.168.40.254 quit
  22. 22. \[SW6-Vlanif40\]dhcp select relay
  23. 23. \[SW6-Vlanif40\]dhcp relay server-ip 192.168.66.1
  24. 24. \[SW6-Vlanif40\]quit

4)配置 DHCP 服务器与 DHCP 中继互通

  1. 1. \[DHCP\] ip route-static 0.0.0.0 0 192.168.66.254

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