HP 6125G Configuration Manual page 276

# Add 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
Configure Switch A:
3.
# Enable DHCP snooping.
<SwitchA> system-view
[SwitchA] dhcp-snooping
# Enable STP.
[SwitchA] stp enable
# 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
[SwitchA-GigabitEthernet1/0/2] quit
# Configure GigabitEthernet 1/0/3 as a network port.
[SwitchA] interface gigabitethernet 1/0/3
[SwitchA-GigabitEthernet1/0/3] mac-forced-forwarding network-port
# Configure GigabitEthernet 1/0/3 as a DHCP snooping trusted port.
[SwitchA-GigabitEthernet1/0/3] dhcp-snooping trust no-user-binding
Configure Switch B:
4.
# Enable DHCP snooping.
<SwitchB> system-view
[SwitchB] dhcp-snooping
# Enable STP.
[SwitchB] stp enable
# Enable MFF in automatic mode.
[SwitchB] vlan 100
[SwitchB-vlan-100] mac-forced-forwarding auto
[SwitchB-vlan-100] quit
# Configure GigabitEthernet 1/0/4 as a network port.
[SwitchB] interface gigabitethernet 1/0/4
[SwitchB-GigabitEthernet1/0/4] mac-forced-forwarding network-port
# Configure GigabitEthernet 1/0/4 as a DHCP snooping trusted port.
[SwitchB-GigabitEthernet1/0/4] dhcp-snooping trust no-user-binding
[SwitchB-GigabitEthernet1/0/4] quit
# Configure GigabitEthernet 1/0/6 as a network port.
[SwitchB] interface gigabitethernet 1/0/6
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