HP 5500 HI Series Configuration Manual page 417

Figure 131 Network diagram
Configuration procedure
1. Configure the IP address of VLAN-interface 1 on the gateway.
<Gateway> system-view
[Gateway] interface Vlan-interface 1
[Gateway-Vlan-interface1] ip address 10.1.1.100 24
2. Configure the DHCP server:
# Enable DHCP, and configure a DHCP address pool.
<Device> system-view
[Device] dhcp enable
[Device] dhcp server ip-pool 1
[Device-dhcp-pool-1] network 10.1.1.0 mask 255.255.255.0
# Add the gateway's IP address into DHCP address pool 1.
[Device-dhcp-pool-1] gateway-list 10.1.1.100
[Device-dhcp-pool-1] quit
# Configure the IP address of VLAN-interface 1.
[Device] interface Vlan-interface 1
[Device-Vlan-interface1] ip address 10.1.1.50 24
3. Configure Switch A:
# Enable DHCP snooping.
<SwitchA> system-view
[SwitchA] dhcp-snooping
# Enable MFF in automatic mode.
[SwitchA] vlan 100
[SwitchA-vlan-100] mac-forced-forwarding auto
[SwitchA-vlan-100] quit
# Configure GigabitEthernet 1/0/2 as a network port.
[SwitchA] interface gigabitethernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] mac-forced-forwarding network-port
# Configure GigabitEthernet 1/0/2 as a DHCP snooping trusted port.
[SwitchA-GigabitEthernet1/0/2] dhcp-snooping trust
4. Configure Switch B:
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