H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 231)

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Recommended configuration procedure (for DHCP
snooping)
Step Remarks
1. Enabling DHCP snooping
Required.
By default, DHCP snooping is disabled.
2. Configuring DHCP snooping
functions on an interface
Required.
Specify an interface as trusted and configure DHCP snooping to support
Option 82.
By default, an interface is untrusted and DHCP snooping does not support
Option 82.
IMPORTANT:
You need to specify the ports connected to the authorized DHCP servers as
trusted to make sure DHCP clients can obtain valid IP addresses. The trusted
port and the port connected to the DHCP client must be in the same VLAN.
3. Displaying clients' IP-to-MAC
bindings
Optional.
Display clients' IP-to-MAC bindings recorded by DHCP snooping.
Enabling DHCP snooping
1. From the navigation tree, select Network > DHCP.
2. Click the DHCP Snooping tab.
3. Select the Enable option for DHCP Snooping.