R1关键配置如下：dhcp enableip pool 1gateway-list 10.10.100.1network 10.10.100.0 mask 255.255.255.0dns-list
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R1关键配置如下：
dhcp enable
ip pool 1
gateway-list 10.10.100.1
network 10.10.100.0 mask 255.255.255.0
dns-list 10.10.10.10
#
ip pool 2
gateway-list 10.10.200.1
network 10.10.200.0 mask 255.255.255.0
dns-list 10.10.10.10
#
ip pool 3
gateway-list 10.10.210.1
network 10.10.210.0 mask 255.255.255.0
dns-list 10.10.10.10
#
interface GigabitEthernet0/0/0
ip address 10.10.100.1 255.255.255.0
dhcp select global
#
interface GigabitEthernet0/0/1
ip address 10.10.200.1 255.255.255.0
dhcp select global
#
interface GigabitEthernet0/0/2
ip address 10.10.210.1 255.255.255.0
dhcp select global
结果验证：
