Displaying Clients' Ip-To-Mac Bindings - HP 1920 Gigabit Ethernet Switch Series User Manual

Figure 286 DHCP snooping interface configuration page
4. Configure DHCP snooping on the interface as described in
5. Click Apply.
Table 100 Configuration items
Item
Interface Name
Interface State
Option 82 Support
Option 82 Strategy

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
3. Click User Information to enter the page as shown in
Figure 287 DHCP snooping user information
Table 101 describes the fields of DHCP snooping entries.
Table 101 Field description
Item
IP Address
MAC Address
Description
This field displays the name of a specific interface.
Configure the interface as trusted or untrusted.
Configure DHCP snooping to support Option 82 or not.
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.
Description
Displays the IP address assigned by the DHCP server to the client.
Displays the MAC address of the client.
310
Table 100.
Figure 285.
Figure 287.