在三层交换机配置DHCP功能

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[Huawei]dhcp enable

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[Huawei]ip pool bumenA
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[Huawei-ip-pool-bumena]network 192.168.1.0 mask 255.255.255.0
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[Huawei-ip-pool-bumena]gateway-list 192.168.1.254
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[Huawei-ip-pool-bumena]dns-list 114.114.114.114
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[Huawei-ip-pool-bumena]ip pool bumenB
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[Huawei-ip-pool-bumenb]network 192.168.2.0 mask 255.255.255.0
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[Huawei-ip-pool-bumenb]gateway-list 192.168.2.254
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[Huawei-ip-pool-bumenb]dns-list 114.114.114.114

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[Huawei-ip-pool-bumenb]int vlan 20
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[Huawei-Vlanif20]dhcp select global
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[Huawei-Vlanif20]int vlan 10
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[Huawei-Vlanif10]dhcp select global

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ip pool 2F 创建一个地址池，名字叫2F配置网关
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gateway-list 192.168.20.1 分配网关
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network 192.168.20.0 mask 255.255.0 分配地址段
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excluded-ip-address 192.168.20.43 192.168.20.253 排除一些地址，不会再给主机分配
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static-bind ip-address 192.168.20.40 mac-address e0d5-5ed7-06e0 静态绑定
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static-bind ip-address 192.168.20.41 mac-address b42e-9911-fdf9
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lease day 0 hour 8 minute0 租约
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dns-list 58.20.127.170 114.114.114 可以配置两台dns服务器