H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 399)

38-6
Network diagram
Figure 38-3 Network diagram for DHCP snooping configuration
Configuration procedure
# Enable DHCP snooping.
<AC> system-view
[AC] dhcp-snooping
# Specify GigabitEthernet 0/0/1 as trusted port.
[AC] interface gigabitethernet0/0/1
[AC-GigabitEthernet0/0/1] dhcp-snooping trust
[AC-GigabitEthernet0/0/1] quit
# Configure DHCP snooping to support Option 82 on GigabitEthernet 0/0/2.
[AC] interface gigabitethernet0/0/2
[AC-GigabitEthernet0/0/2] dhcp-snooping information enable
# Configure the padding format as verbose for Option 82 on GigabitEthernet 0/0/2.
[AC-GigabitEthernet0/0/2] dhcp-snooping information format verbose node-identifier sysname
[AC-GigabitEthernet0/0/2] quit
# Configure DHCP snooping to support Option 82 on GigabitEthernet 0/0/3.
[AC] interface gigabitethernet0/0/3
[AC-GigabitEthernet0/0/3] dhcp-snooping information enable
# Configure the padding format as verbose for Option 82 on GigabitEthernet 0/0/3.
[AC-GigabitEthernet0/0/3] dhcp-snooping information format verbose node-identifier sysname