H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 233)

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Item Description
Interface State Configure the interface as trusted or untrusted.
Option 82 Support Configure DHCP snooping to support Option 82 or not.
Option 82 Strategy
Select the handling strategy for DHCP requests containing Option 82. The strategies
include:
• Drop—The message is discarded if it contains Option 82.
• Keep—The message is forwarded without its Option 82 being changed.
• Replace—The message is forwarded after its original Option 82 is replaced with
the Option 82 padded in normal format.
Displaying clients' IP-to-MAC bindings
1. From the navigation tree, select Network > DHCP.
2. Click the DHCP Snooping tab to enter the page, as shown in Figure 179 .
3. Click User Information.
The DHCP snooping user information page appears, as shown in
Figure 181 .
Figure 181 DHCP snooping user information
4. View clients' IP-to-MAC bindings recorded by DHCP snooping, as described in Table 83 .
Table 83 Configuration items
Item Description
IP Address This field displays the IP address assigned by the DHCP server to the client.
MAC Address This field displays the MAC address of the client.
Type
This field displays the client type, which can be:
• Dynamic—The IP-to-MAC binding is generated dynamically.
• Static—The IP-to-MAC binding is configured manually. Static bindings are
not supported.
Interface Name This field displays the device interface to which the client is connected.
VLAN This field displays the VLAN to which the device belongs.
Remaining Lease Time This field displays the remaining lease time of the IP address.