310
Figure 286 DHCP snooping interface configuration page
4. Configure DHCP snooping on the interface as described in Table 100.
5. Click Apply.
Table 100 Configuration items
Item Descri
Interface Name This field displays the name of a specific interface.
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 shown in Figure 285.
3. Cli
ck User Information to enter the page as shown in Figure 287.
Figure 287 DHCP snoopi
ng user information
Table 101 describes the fields of DHCP snooping entries.
Table 101 Field description
Item Descri
IP Address Displays the IP address assigned by the DHCP server to the client.
MAC Address Displays the MAC address of the client.