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Instruction Manual
56
Change the Snooping Configuration settings
You can use the
DHCP Snooping Configuration
screen to filter IP traffic on insecure
ports for which the source address can’t be identified using DHCP snooping.
To access the
DHCP Snooping Configuration
screen, click
Configuration
>
Security
>
Network
>
DHCP
>
Snooping
.
Menu option
Description
Snooping mode
Snooping mode Indicates the status of DHCP snooping mode operation. Possible
modes are:
[Enabled]
Enables DHCP snooping mode operation. When DHCP snooping
mode operation is enabled, the DHCP request messages will be
forwarded to trusted ports and only allow packets from trusted
ports.
[Disabled]
Disables DHCP snooping mode operation.
Port mode configuration
Port mode
Indicates the DHCP snooping port mode.
Configuration
Possible port modes are:
[Trusted]
Configures the port as a trusted source of the DHCP messages.
[Untrusted]
Configures the port as an untrusted source of the DHCP
messages.
1. On the main screen of the Web management UI, click
Configuration
>
Security
>
Network
>
DHCP Snooping
.
2. Do one of the following:
• Select
Enabled Snooping Mode
.
• Select
Disabled Snooping port
.
3. Select either
Trusted
or
Untrusted for each port
.
4. To save your settings, click
Save
.
To restore the previous settings, click
Reset