HP FlexNetwork NJ5000, Руководство пользователя

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Configuring DHCP snooping functions on an
interface
1.
From the navigation tree, select
Network
>
DHCP
.
2.
Click the
DHCP Snooping
tab to enter the page shown in Figure 246 .
3.
Click the icon of a specific interface in the
Interface Config
area to enter the page shown
in Figure 247 .
Figure 247 DHCP snooping interface configuration page
4.
Configure DHCP snooping on the interface as described in Table 93 .
5.
Click
Apply
.
Table 93 Configuration items
Item Description
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 246 .
3.
Click
User Information
to enter the page as shown in Figure 248 .
Figure 248 DHCP snooping user information