华为三层交换机配置VLAN ，开启 DHCP 配置VLAN地址池，为VLAN动态分配IP

华为三层交换机配置VLAN ，开启 DHCP 配置VLAN地址池，为VLAN动态分配IP，DHCP有区分全局地址池与基于接口的地址池，本篇主要介绍基于接口的DHCP配置：

网络拓扑图：

三层交换机SW1 配置：

[DHCP_SW1]ip pool vlan100
Info:It's successful to create an IP address pool.
[DHCP_SW1-ip-pool-vlan100]gateway
[DHCP_SW1-ip-pool-vlan100]gateway-list 192.168.100.126
[DHCP_SW1-ip-pool-vlan100]network 192.168.100.0 mask 25 #是指定DHCP网段，不是类似OSPF宣告路由网段
[DHCP_SW1-ip-pool-vlan100]excluded-ip-address 192.168.100.50 192.168.100.125 #限制IP范围 这个范围IP地址将不分配
[DHCP_SW1-ip-pool-vlan100]lease day 2  #有效期，租期2天
[DHCP_SW1-ip-pool-vlan100]dns-list 114.114.114.114
[DHCP_SW1-ip-pool-vlan100]q
[DHCP_SW1]int vlan 100
[DHCP_SW1-Vlanif100]ip add 192.168.100.126 25
[DHCP_SW1-Vlanif100]dhcp select global
[DHCP_SW1-Vlanif100]q

[DHCP_SW1]ip pool vlan120
Info:It's successful to create an IP address pool.
[DHCP_SW1-ip-pool-vlan120]gateway-list 192.168.220.126
[DHCP_SW1-ip-pool-vlan120]network 192.168.220.0 mask 25
[DHCP_SW1-ip-pool-vlan120]excluded-ip-address 192.168.220.40 192.168.220.125 #限制IP范围 这个范围IP地址将不分配
[DHCP_SW1-ip-pool-vlan120]lease day 3
[DHCP_SW1-ip-pool-vlan120]dns-list 114.114.114.114
[DHCP_SW1-ip-pool-vlan120]q
[DHCP_SW1]int vlan 120
[DHCP_SW1-Vlanif120]ip add 192.168.120.126 25
[DHCP_SW1-Vlanif120]dhcp select global
[DHCP_SW1-Vlanif120]q

[DHCP_SW1]int GigabitEthernet 0/0/1
[DHCP_SW1-GigabitEthernet0/0/1]port link
[DHCP_SW1-GigabitEthernet0/0/1]port link-type trunk
[DHCP_SW1-GigabitEthernet0/0/1]port trunk all
[DHCP_SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all
[DHCP_SW1-GigabitEthernet0/0/1]q

[DHCP_SW1]ip pool vlan200
Info:It's successful to create an IP address pool.
[DHCP_SW1-ip-pool-vlan200]gateway
[DHCP_SW1-ip-pool-vlan200]gateway-list 192.168.200.126
[DHCP_SW1-ip-pool-vlan200]network 192.168.200.0 mask 25
[DHCP_SW1-ip-pool-vlan200]excluded-ip-address 192.168.200.50 192.168.200.125 #限制IP范围 这个范围IP地址将不分配
[DHCP_SW1-ip-pool-vlan200]lease day 2
[DHCP_SW1-ip-pool-vlan200]dns-list 114.114.114.114
[DHCP_SW1-ip-pool-vlan200]q
[DHCP_SW1]int vlan 200
[DHCP_SW1-Vlanif200]ip add 192.168.200.126 25
[DHCP_SW1-Vlanif200]dhcp select global
[DHCP_SW1-Vlanif200]q

[DHCP_SW1]ip pool vlan220
Info:It's successful to create an IP address pool.
[DHCP_SW1-ip-pool-vlan220]gateway-list 192.168.220.126
[DHCP_SW1-ip-pool-vlan220]network 192.168.220.0 mask 25
[DHCP_SW1-ip-pool-vlan220]excluded-ip-address 192.168.220.40 192.168.220.125 #限制IP范围 这个范围IP地址将不分配
[DHCP_SW1-ip-pool-vlan220]lease day 3
[DHCP_SW1-ip-pool-vlan220]dns-list 114.114.114.114
[DHCP_SW1-ip-pool-vlan220]q
[DHCP_SW1]int vlan 220
[DHCP_SW1-Vlanif220]ip add 192.168.220.126 25
[DHCP_SW1-Vlanif220]dhcp select global
[DHCP_SW1-Vlanif220]q

[DHCP_SW1]int GigabitEthernet 0/0/2
[DHCP_SW1-GigabitEthernet0/0/2]port link
[DHCP_SW1-GigabitEthernet0/0/2]port link-type trunk
[DHCP_SW1-GigabitEthernet0/0/2]port trunk all
[DHCP_SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[DHCP_SW1-GigabitEthernet0/0/2]q

汇聚层SW2 配置：

<Huawei>system-view 
[Huawei]sysname SW2
[SW2]vlan batch 100 120
[SW2]dhcp enable
[SW2]int e0/0/1
[SW2-Ethernet0/0/1]port link-type trunk 
[SW2-Ethernet0/0/1]port trunk allow-pass vlan all
[SW2-Ethernet0/0/1]quit
[SW2]int e0/0/2
[SW2-Ethernet0/0/2]port link-type access 
[SW2-Ethernet0/0/2]port default vlan 100
[SW2-Ethernet0/0/2]quit
[SW2]int e0/0/3
[SW2-Ethernet0/0/3]port link-type access 
[SW2-Ethernet0/0/3]port default vlan 120
[SW2-Ethernet0/0/3]quit

汇聚层SW3 配置：

<Huawei>system-view 
[Huawei]sysname SW3
[SW3]vlan batch 200 220
[SW3]dhcp enable
[SW3]int e0/0/1
[SW3-Ethernet0/0/1]port link-type trunk 
[SW3-Ethernet0/0/1]port trunk allow-pass vlan all
[SW3-Ethernet0/0/1]quit
[SW3]int e0/0/2
[SW3-Ethernet0/0/2]port link-type access 
[SW3-Ethernet0/0/2]port default vlan 200
[SW3-Ethernet0/0/2]quit
[SW3]int e0/0/3
[SW3-Ethernet0/0/3]port link-type access 
[SW3-Ethernet0/0/3]port default vlan 220
[SW3-Ethernet0/0/3]quit

查看客户端地址 PC1，PC2  互ping ：

查看客户端地址 PC3，PC4  互ping ：

至此VLAN 100, VLAN 120,VLAN 200,VLAN 220 可以动态获取IP地址，实现全网互通，实验结束！

查看地址池：

Tags： Network