Configure a BPF filter
The Network interfaces page lets you configure Berkeley Packet Filters (BPF).
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In the top navigation bar, select
The administration page opens.
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In the System section, select Network
interfaces.
The Network interfaces page opens.
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To the left of the applicable interface, select the icon.
A dialog shows.
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In the Label field, enter a label for the interface.
Note: The label will show instead of the network interface name in all areas of the user interface. - Optional: To disable the network interface from sniffing traffic, select the toggle to OFF.
- In the BPF filter section, choose a method to use to configure the Berkeley Packet Filter (BPF) settings.
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Use the visual editor.
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Manually enter a BPF.
- Set the Manual insertion of a custom expression toggle to on.
- Manually enter the BPF.
- Select Save.