Configuring DHCP
DHCP GUI
Cisco 500 Series Stackable Managed Switch Administration Guide
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DHCP GUI
This section describes how the DHCP Relay and Snooping features are
implemented via the Web-based interface.
Defining DHCP Properties
To configure DHCP Relay, DHCP Snooping and Option 82:
STEP 1
Click IP Configuration > DHCP > Properties or Security > DHCP Snooping >
Properties. The
Properties
page is displayed.
Enter the following fields:
•
Option 82
—Select
Option 82
to insert Option 82 information into packets.
•
DHCP Relay—Select to enable DHCP Relay.
•
DHCP Snooping Status—Select to enable DHCP Snooping. If DHCP
Snooping is enabled, the following options can be enabled:
-
Option 82 Passthrough
—Select to leave foreign Option 82 information
when forwarding packets.
-
Verify MAC Address—Select to verify that the source MAC address of
the Layer 2 header matches the client hardware address as appears in
the DHCP Header (part of the payload) on DHCP untrusted ports.
-
Backup Database—Select to back up the DHCP Snooping Binding
database on the device’s flash memory.
-
Backup Database Update Interval—Enter how often the DHCP Snooping
Binding database will be backed up (if Backup Database is selected).
STEP 2
Click Apply. The settings are written to the Running Configuration file.
STEP 3
To define a DHCP server, click
Add
. The
Add DHCP Server
page is displayed.
STEP 4
Enter the IP address of the DHCP server and click Apply. The settings are written
to the Running Configuration file.
