Advantech EKI-9512-C0IDW10E, Руководство пользователя

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157 EKI-9500 Series User Manual
To access this page, click Switching > DHCP Snooping > Base > Persistent .
Figure 4.162 Switching > DHCP Snooping > Base > Persistent
The following table describes the items in the previous figure.
Statistics
Use the DHCP Snooping Statistics page to view and clear per-interface statistics
about the DHCP messages filtered by the DHCP snooping feature. Only interfaces
that are enabled for DHCP snooping and are untrusted appear in the table.
To access this page, click Switching > DHCP Snooping > Base > Statistics .
Figure 4.163 Switching > DHCP Snooping > Base > Statistics
The following table describes the items in the previous figure.
Item Description
Store The location of the DHCP snooping bindings database, which is either
locally on the device (Local) or on a remote system (Remote).
Remote IP Address The IP address of the system on which the DHCP snooping bindings
database will be stored. This field is available only if Remote is
selected in the Store field.
Remote File Name The file name of the DHCP snooping bindings database in which the
bindings are stored. This field is available only if Remote is selected in
the Store field.
Write Delay (Sec-
onds) The amount of time to wait between writing bindings information to per-
sistent storage. This allows the device to collect as many entries as
possible (new and removed) before writing them to the persistent file.
Submit Click Submit to save the values and update the screen.
Refresh Click Refresh to update the screen.
Cancel Click Cancel to restore default value.
Item Description
Interface The interface associated with the rest of the data in the row.
MAC Verify Failures The number of DHCP messages that were dropped because the
source MAC address and client hardware address did not match. MAC
address verification is performed only if it is globally enabled.
Client Ifc Mismatch The number of packets that were dropped by DHCP snooping because
the interface and VLAN on which the packet was received does not
match the client's interface and VLAN information stored in the binding
database.