166
[SwitchA] dhcp server ip-pool rd
[SwitchA-dhcp-pool-rd] network 192.168.3.0 24
[SwitchA-dhcp-pool-rd] tftp-server ip-address 192.168.1.40
[SwitchA-dhcp-pool-rd] gateway-list 192.168.3.1
[SwitchA-dhcp-pool-rd] bootfile-name rd.cfg
[SwitchA-dhcp-pool-rd] quit
# Configure static routes to the DHCP relay agents.
[SwitchA] ip route-static 192.168.2.0 24 192.168.1.41
[SwitchA] ip route-static 192.168.3.0 24 192.168.1.43
[SwitchA] quit
2. Configure the gateway Switch B:
# Create VLAN interfaces and assign IP addresses to the interfaces.
<SwitchB> system-view
[SwitchB] vlan 2
[SwitchB-vlan2] port gigabitethernet 1/0/3
[SwitchB-vlan2] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ip address 192.168.1.41 24
[SwitchB-Vlan-interface2] quit
[SwitchB] vlan 3
[SwitchB-vlan3] port gigabitethernet 1/0/1
[SwitchB-vlan3] port gigabitethernet 1/0/2
[SwitchB-vlan3] quit
[SwitchB] interface vlan-interface 3
[SwitchB-Vlan-interface3] ip address 192.168.2.1 24
[SwitchB-Vlan-interface3] quit
# Enable DHCP.
[SwitchB] dhcp enable
# Enable the DHCP relay agent on VLAN-interface 3.
[SwitchB] interface vlan-interface 3
[SwitchB-Vlan-interface3] dhcp select relay
# Specify the DHCP server address.
[SwitchB-Vlan-interface3] dhcp relay server-address 192.168.1.42
3. Configure the gateway Switch C:
# Create VLAN interfaces and assign IP addresses to the interfaces.
<SwitchC> system-view
[SwitchC] vlan 2
[SwitchC-vlan2] port gigabitethernet 1/0/3
[SwitchC-vlan2] quit
[SwitchC] interface vlan-interface 2
[SwitchC-Vlan-interface2] ip address 192.168.1.43 24
[SwitchC-Vlan-interface2] quit
[SwitchC] vlan 3
[SwitchC-vlan3] port gigabitethernet 1/0/1
[SwitchC-vlan3] port gigabitethernet 1/0/2
[SwitchC-vlan3] quit
[SwitchC] interface vlan-interface 3
[SwitchC-Vlan-interface3] ip address 192.168.3.1 24