实验需求，pc1 pc2 pc3 获取到地址且能ping通，pc1 pc2 为地址池模式，pc3为接口模式
上配置
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sysname AR1
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dhcp enable
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interface GigabitEthernet0/0/0
ip address 10.0.47.254 255.255.255.0
dhcp select relay
dhcp relay server-ip 10.0.44.1
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interface GigabitEthernet0/0/1
ip address 10.0.41.1 255.255.255.0
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rip 1
undo summary
version 2
network 10.0.0.0
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<sw1>dis cu
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sysname sw1
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undo info-center enable
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vlan batch 2 to 4
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dhcp enable
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interface Vlanif1
ip address 10.0.35.254 255.255.255.0
dhcp select relay
dhcp relay server-ip 10.0.44.1
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interface Vlanif2
ip address 10.0.38.254 255.255.255.0
dhcp select interface
dhcp server dns-list 114.114.114.114
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interface Vlanif3
ip address 10.0.41.2 255.255.255.0
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interface Vlanif4
ip address 10.0.44.2 255.255.255.0
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interface Ethernet0/0/1
port link-type access
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interface Ethernet0/0/2
port link-type access
port default vlan 2
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interface GigabitEthernet0/0/1
port link-type access
port default vlan 4
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interface GigabitEthernet0/0/2
port link-type access
port default vlan 3
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rip 1
undo summary
version 2
network 10.0.0.0
<sw2>dis cu
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sysname sw2
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undo info-center enable
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vlan batch 4
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dhcp enable
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ip pool ar1
gateway-list 10.0.47.254
network 10.0.47.0 mask 255.255.255.0
dns-list 8.8.8.8
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ip pool vlan1
gateway-list 10.0.35.254
network 10.0.35.0 mask 255.255.255.0
dns-list 8.8.8.8
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interface Vlanif4
ip address 10.0.44.1 255.255.255.0
dhcp select global
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interface GigabitEthernet0/0/1
port link-type access
port default vlan 4
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rip 1
undo summary
version 2
network 10.0.0.0
