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3 DHCP Snooping
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3.1 Configuration
Parameter
Description
The section describes the DHCP Snooping parameters of the switch. The DHCP
Snooping can prevent attackers from adding their own DHCP servers to the network.
This section describes how to configure the DHCP Snooping setting including:
Snooping Mode (Enabled and Disabled)
Port Mode Configuration (Trusted and Untrusted)
Web Interface
To configure a DHCP Snooping in the web interface:
1.
Select “Enabled” in the Mode of DHCP Snooping Configuration.
2.
Select “Trusted” of the specific port in the Mode of Port Mode
Configuration.
3.
Click “Apply”.
Figure 4-3.1: The DHCP Snooping Configuration
Snooping Mode:
Indicates the DHCP snooping mode operation. Possible modes are:
Enabled:
Enables the DHCP snooping mode operation. When the DHCP
snooping mode operation is enabled, the DHCP request messages will be
forwarded to trusted ports and only allow reply packets from trusted ports.
Disabled:
Disables the DHCP snooping mode operation.
Port Mode:
Indicates the DHCP snooping port mode. Possible port modes are:
Trusted:
Configures the port as trusted source of the DHCP messages.
Untrusted:
Configures the port as untrusted source of the DHCP messages.
Buttons:
Apply
– Click “Apply” to save changes.
Reset
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Click “Reset” to undo any changes made locally and revert to
previously saved values.