Configuring Dhcp Snooping Functions On An Interface; Displaying Clients' Ip-To-Mac Bindings - 3Com Baseline 2928 PWR Plus User Manual

Configuring DHCP Snooping Functions on an Interface

Select Network > DHCP from the navigation tree, and then click the DHCP Snooping tab to enter the
page shown in Figure
the icon of a specific interface to enter the page shown in
Figure 3-4 DHCP snooping interface configuration page
Table 3-2 describes DHCP snooping interface configuration items.
Table 3-2 DHCP snooping interface configuration items
Item
Interface Name
Interface State
Option 82 Support
Option 82 Strategy
Return to DHCP Snooping Configuration Task

Displaying Clients' IP-to-MAC Bindings

Select Network > DHCP from the navigation tree, and then click the DHCP Snooping tab to enter the
page shown in
recorded by DHCP snooping, as shown in
Figure 3-5 DHCP snooping user information
Table 3-3 describes DHCP snooping user information configuration items.
3-3. You can view trusted and untrusted ports in the Interface Config field. Click
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.
Figure 3-3. Click the User Information button to view clients' IP-to-MAC bindings
Figure
Description
List.
Figure 3-5.
3-5
3-4.