H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 209)

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Figure 178 Enabling DHCP snooping
2. Configure DHCP snooping functions on GigabitEthernet 1/0/2:
a. Click the icon of GigabitEthernet 1/0/2 on the interface list.
b. Select the Trust option for Interface State.
c. Click Apply.
Figure 179 Configuring DHCP snooping functions on GigabitEthernet 1/0/2
3. Configure DHCP snooping functions on GigabitEthernet 1/0/1.
a. Click the icon of GigabitEthernet 1/0/1 on the interface list.
b. To configure the DHCP snooping functions on the interface:
Select the Untrust option for Interface State.
Select the Enable option for Option 82 Support.
Select Replace from the Option 82 Strategy list.
c. Click Apply.