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Figure 45: DHCP Snooping General Page
The DHCP Snooping General Page contains the following fields:
•
Enable DHCP Snooping Status — Indicates if DHCP Snooping is enabled on the device. The possible field
values are:
–
Checked — Enables DHCP Snooping on the device.
–
Unchecked — Disables DHCP Snooping on the device. This is the default value.
•
Pass Through Option 82 — Indicates if DHCP Option 82 with data insertion is enabled on the device. The
possible field values are:
–
Enable — If DHCP Option 82 with data insertion is enabled, the DHCP relay agent or DHCP Snooping
switch can insert information into the DHCP DISCOVER message. The Relay agent information option
specifies the port number from which the client's packet was received.
–
Disable — Disables DHCP Option 82 with data insertion on the device. This is the default value.
•
Verify MAC Address — Indicates if MAC addresses are verified. The possible field values are:
–
Enable — Verifies that an untrusted port source MAC address matches the client's MAC address.
–
Disable — Disables verifying that an untrusted port source MAC address matches the client's MAC
address. This is the default value.
•
Backup Database — Indicates if the DHCP Snooping Database is enabled. The possible field values are:
–
Enable — Enables storing allotted IP addresses in the DHCP Snooping Database.
–
Disable — Disables storing allotted IP addresses in the DHCP Snooping Database. This is the default
value.
•
Database Update Interval — Indicates how often the DHCP Snooping Database is updated. The possible
field range is 600 – 86400 seconds. The field default is 1200 seconds.
Page 69
Configuring DHCP Snooping
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