DHCP中继
三层交换机SWL3
<Huawei>sys
[Huawei]sysname SWL3
[SWL3]undo info-center enable
[SWL3]vlan batch 2 3 100
[SWL3]dhcp enable
[SWL3]int vlan 2
[SWL3-Vlanif2]ip address 192.168.2.1 24
[SWL3-Vlanif2]dhcp select relay
[SWL3-Vlanif2]int vlan 3
[SWL3-Vlanif3]ip address 192.168.3.1 24
[SWL3-Vlanif3]dhcp select relay
[SWL3-Vlanif3]int vlan 100
[SWL3-Vlanif100]dhcp select relay
[SWL3-Vlanif100]q
[SWL3]int GigabitEthernet 0/0/1
[SWL3-GigabitEthernet0/0/1]port link-type trunk
[SWL3-GigabitEthernet0/0/1]port trunk allow-pass vlan all
[SWL3]int Vlanif 3
[SWL3-Vlanif3]dhcp relay server-ip 192.168.100.100
[SWL3]int Vlanif 2
[SWL3-Vlanif2]dhcp relay server-ip 192.168.100.100
二层交换机
<Huawei>sys
[Huawei]undo info-center enable
[Huawei]sys SWL2
[SWL2]vlan batch 2 3 100
[SWL2]int Ethernet0/0/1
[SWL2-Ethernet0/0/1]port link-type access
[SWL2-Ethernet0/0/1]port default vlan 2
[SWL2-Ethernet0/0/1]q
[SWL2]int Ethernet0/0/2
[SWL2-Ethernet0/0/2]port link-type access
[SWL2-Ethernet0/0/2]port default vlan 2
[SWL2-Ethernet0/0/2]q
[SWL2]int Ethernet0/0/3
[SWL2-Ethernet0/0/3]port link-type access
[SWL2-Ethernet0/0/3]port default vlan 3
[SWL2-Ethernet0/0/3]q
[SWL2]int Ethernet0/0/4
[SWL2-Ethernet0/0/4]port link-type access
[SWL2-Ethernet0/0/4]port default vlan 3
[SWL2-Ethernet0/0/4]q
[SWL2]int GigabitEthernet 0/0/1
[SWL2-GigabitEthernet0/0/1]port link-type access
[SWL2-GigabitEthernet0/0/1]port default vlan 100
[SWL2-GigabitEthernet0/0/1]q
[SWL2]int GigabitEthernet 0/0/2
[SWL2-GigabitEthernet0/0/2]port link-type trunk
[SWL2-GigabitEthernet0/0/2]port trunk allow-pass vlan all
R1交换机
<Huawei>sys
[Huawei]sysname R1
[R1]undo info-center enable
[R1]dhcp enable
[R1]ip pool wahaha
[R1-ip-pool-wahaha]gateway-list 192.168.2.1
[R1-ip-pool-wahaha]network 192.168.2.0 mask 24
[R1-ip-pool-wahaha]dns-list 8.8.8.8 114.114.114.114
[R1-ip-pool-wahaha]lease day 1
[R1-ip-pool-wahaha]q
[R1]ip pool xixixi
[R1-ip-pool-xixixi]gateway-list 192.168.3.1
[R1-ip-pool-xixixi]network 192.168.3.0 mask 24
[R1-ip-pool-xixixi]dns-list 114.114.114.114 8.8.8.8
[R1-ip-pool-xixixi]lease day 1
[R1]int g
[R1]int GigabitEthernet0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.100.100 24
[R1-GigabitEthernet0/0/0]dhcp select global
[R1-GigabitEthernet0/0/0]q
[R1]ip route-static 192.168.2.0 255.255.255.0 192.168.100.1
[R1]ip route-static 192.168.3.0 255.255.255.0 192.168.100.1