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

#
 sysname AR1

#
dhcp enable
#
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
#
interface GigabitEthernet0/0/1
 ip address 10.0.41.1 255.255.255.0 
#
rip 1
 undo summary
 version 2
 network 10.0.0.0
#

<sw1>dis cu 
#
sysname sw1
#
undo info-center enable
#
vlan batch 2 to 4
#
dhcp enable
#
interface Vlanif1
 ip address 10.0.35.254 255.255.255.0
 dhcp select relay
 dhcp relay server-ip 10.0.44.1
#
interface Vlanif2
 ip address 10.0.38.254 255.255.255.0
 dhcp select interface
 dhcp server dns-list 114.114.114.114
#
interface Vlanif3
 ip address 10.0.41.2 255.255.255.0
#
interface Vlanif4
 ip address 10.0.44.2 255.255.255.0
#
interface Ethernet0/0/1
 port link-type access
#
interface Ethernet0/0/2
 port link-type access
 port default vlan 2
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 4
#
interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 3
#
rip 1
 undo summary
 version 2
 network 10.0.0.0


<sw2>dis cu 
#
sysname sw2
#
undo info-center enable
#
vlan batch 4
#
dhcp enable
#
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
#
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
#
interface Vlanif4
 ip address 10.0.44.1 255.255.255.0
 dhcp select global
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 4
#
rip 1
 undo summary
 version 2
 network 10.0.0.0