H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 201)

185
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 that 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. Select Network > DHCP from the navigation tree.
2. Click the DHCP Snooping tab to enter the page as shown in Figure 166 .
3. Select the Enable option for DHCP Snooping.